uTools
functions

Rule of Three

Calculate simple proportional relationships.

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(B * C) / A = X
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Disclaimer

The generated data is fictitious and intended solely for testing and educational purposes. Any use is the sole responsibility of the user. Do not use this data to impersonate real persons or for unlawful purposes.

About the Rule of Three Calculator

Solve proportion problems easily. If A is to B as C is to X, this tool finds X. Supports both direct and inverse proportions.

How to Use

Enter the three known values (A, B, and C). The calculator will compute the unknown value (X). Toggle 'Inverse Proportion' if needed.