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Finding the Third Proportional to 62,275.13 and 128,979.56

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Solution

The third proportional to 62,275.13 and 128,979.56 is: 267,132.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,275.13 : 128,979.56 = 128,979.56 : x
  2. Step 2: Convert to fraction form
    62,275.13/128,979.56 = 128,979.56/x
  3. Step 3: Cross multiply
    62,275.13x = 128,979.56 × 128,979.56
  4. Step 4: Simplify right side
    62,275.13x = 16,635,727,542.69
  5. Step 5: Solve for x
    x = 16,635,727,542.69/62,275.13
  6. Step 6: Final answer
    x = 267,132.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.