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Finding the Third Proportional to 62,587.69 and 129,306.38

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Solution

The third proportional to 62,587.69 and 129,306.38 is: 267,147.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,587.69 : 129,306.38 = 129,306.38 : x
  2. Step 2: Convert to fraction form
    62,587.69/129,306.38 = 129,306.38/x
  3. Step 3: Cross multiply
    62,587.69x = 129,306.38 × 129,306.38
  4. Step 4: Simplify right side
    62,587.69x = 16,720,138,615.64
  5. Step 5: Solve for x
    x = 16,720,138,615.64/62,587.69
  6. Step 6: Final answer
    x = 267,147.41

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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.