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Finding the Third Proportional to 20,932,347 and 28,272,567

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Solution

The third proportional to 20,932,347 and 28,272,567 is: 38,186,737.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,932,347 : 28,272,567 = 28,272,567 : x
  2. Step 2: Convert to fraction form
    20,932,347/28,272,567 = 28,272,567/x
  3. Step 3: Cross multiply
    20,932,347x = 28,272,567 × 28,272,567
  4. Step 4: Simplify right side
    20,932,347x = 799,338,044,769,489
  5. Step 5: Solve for x
    x = 799,338,044,769,489/20,932,347
  6. Step 6: Final answer
    x = 38,186,737.72

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.