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Finding the Third Proportional to 21,777,534 and 29,593,908

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Solution

The third proportional to 21,777,534 and 29,593,908 is: 40,215,728.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,777,534 : 29,593,908 = 29,593,908 : x
  2. Step 2: Convert to fraction form
    21,777,534/29,593,908 = 29,593,908/x
  3. Step 3: Cross multiply
    21,777,534x = 29,593,908 × 29,593,908
  4. Step 4: Simplify right side
    21,777,534x = 875,799,390,712,464
  5. Step 5: Solve for x
    x = 875,799,390,712,464/21,777,534
  6. Step 6: Final answer
    x = 40,215,728.31

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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.