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Proportion Calculator

Math

Proportion Calculator

Solve a/b = c/x for x.

a

b

c

x

How it works

Cross-multiply to solve a proportion.

Enter a, b, and c for the Proportion Calculator; use finite values in the indicated domain. The calculator reports x: Cross-multiply to solve a proportion. a must be nonzero because it is the divisor used to recover x.

\[ x=\frac{bc}{a} \]

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