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Finding the Third Proportional to 118,944.28 and 256,456.13

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Solution

The third proportional to 118,944.28 and 256,456.13 is: 552,945.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,944.28 : 256,456.13 = 256,456.13 : x
  2. Step 2: Convert to fraction form
    118,944.28/256,456.13 = 256,456.13/x
  3. Step 3: Cross multiply
    118,944.28x = 256,456.13 × 256,456.13
  4. Step 4: Simplify right side
    118,944.28x = 65,769,744,050.02
  5. Step 5: Solve for x
    x = 65,769,744,050.02/118,944.28
  6. Step 6: Final answer
    x = 552,945.83

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.