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Finding the Third Proportional to 21,700,730 and 29,552,691

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Solution

The third proportional to 21,700,730 and 29,552,691 is: 40,245,721.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,700,730 : 29,552,691 = 29,552,691 : x
  2. Step 2: Convert to fraction form
    21,700,730/29,552,691 = 29,552,691/x
  3. Step 3: Cross multiply
    21,700,730x = 29,552,691 × 29,552,691
  4. Step 4: Simplify right side
    21,700,730x = 873,361,545,341,481
  5. Step 5: Solve for x
    x = 873,361,545,341,481/21,700,730
  6. Step 6: Final answer
    x = 40,245,721.93

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.