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Finding the Third Proportional to 21,906,331 and 34,053,517

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Solution

The third proportional to 21,906,331 and 34,053,517 is: 52,936,387.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,906,331 : 34,053,517 = 34,053,517 : x
  2. Step 2: Convert to fraction form
    21,906,331/34,053,517 = 34,053,517/x
  3. Step 3: Cross multiply
    21,906,331x = 34,053,517 × 34,053,517
  4. Step 4: Simplify right side
    21,906,331x = 1,159,642,020,069,289
  5. Step 5: Solve for x
    x = 1,159,642,020,069,289/21,906,331
  6. Step 6: Final answer
    x = 52,936,387.21

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.