How do I solve a proportion?
Enter three values and leave the value you want to find blank.
Ratio Calculator
Workspace
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Simplify ratio
Ratio details
Separate with : , ; or spaces.
HelpGuide
How to use
- Choose a calculation and enter the ratio values.
- Copy the result or download scaled quantities.
HelpFAQs
How do I scale a ratio?
Enter the ratio and either a total quantity or the known value of one part.
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