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Proportion Calculator

Solve proportions and find missing values.

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Formula

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<iframe 
  src="https://calcpro.online/calculators/proportion-calculator?embed=true"
  width="100%"
  height="500"
  style="border:1px solid #ccc; border-radius:12px;"
  loading="lazy"
  sandbox="allow-scripts allow-same-origin"
></iframe>
<p style="font-size:12px; text-align:center; margin-top:5px;">
  Powered by <a href="https://calcpro.online" target="_blank" rel="noopener noreferrer">CalcPro</a>
</p>