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## < ⎙ 9 Other formulas that you can solve using the same Inputs

Percentage Increase in number
Percentage Increase in number=((Number B-Number A)/Number A)*100 GO
Percentage Decrease in number
Percentage Decrease in Number=((Number A-Number B)/Number A)*100 GO
C is What Percent of B
C is What Percent of B=(Number C*100)/Number B GO
C is what percent of A
C is what percent of A=(Number C*100)/Number A GO
What is A Percent of B?
A Percent of B=(Number A*Number B)/100 GO
Multiplication Of two numbers
Number C=Number A*Number B GO
Subtraction Of two number
Number C=Number A-Number B GO
Number C=Number A+Number B GO
Division Of two numbers
Number C=Number A/Number B GO

### Rule Of Three Formula

Number D=(Number B*Number C)/Number A
More formulas
Subtraction Of two number GO
Multiplication Of two numbers GO
Division Of two numbers GO
Semiperimeter Of Triangle GO
Area of Triangle when semiperimeter is given GO
Side a of a triangle GO
Cube Root of number GO
Square Root Of Number GO
Exponentiation GO
Probability of an Event GO
Combination Probability GO
Empirical Probability GO
Binomial Probability GO
Slope Of Line GO
side b of a triangle GO
side c of a triangle GO
Distance Between Line GO
Arc Length GO
Centroid of a Trapezoid GO
Factorial of a Number GO
Logarithm of a Number GO
Nth Root of a Number GO
Circumference of Circle GO
Diameter of a circle when circumference is given GO
Radius of a circle when circumference is given GO
Radius of a circle when area is given GO
Diameter of a circle when area is given GO
Radius of a circle when diameter is given GO
Diameter of a circle when radius is given GO
Inscribed angle when radius and length for minor arc are given GO
Inscribed angle when radius and length for major arc are given GO
Central angle when radius and length for major arc are given GO
Central angle when radius and length for minor arc are given GO
Side of a Kite when other side and area are given GO
Side of a Kite when other side and perimeter are given GO
Side of a Rhombus when Diagonals are given GO

## How to Calculate Rule Of Three?

Rule Of Three calculator uses Number D=(Number B*Number C)/Number A to calculate the Number D, Number D is a number. Number D and is denoted by No. D symbol.

How to calculate Rule Of Three using this online calculator? To use this online calculator for Rule Of Three, enter Number A (No. A), Number B (No. B) and Number C (No. C) and hit the calculate button. Here is how the Rule Of Three calculation can be explained with given input values -> 12 = (3*8)/2.

### FAQ

What is Rule Of Three?
Number D is a number and is represented as No. D=(No. B*No. C)/No. A or Number D=(Number B*Number C)/Number A. Number A is a number, Number B is a number and Number C is a number.
How to calculate Rule Of Three?
Number D is a number is calculated using Number D=(Number B*Number C)/Number A. To calculate Rule Of Three, you need Number A (No. A), Number B (No. B) and Number C (No. C). With our tool, you need to enter the respective value for Number A, Number B and Number C and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well. Let Others Know