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Finding the Third Proportional to 21,777,540 and 29,593,917

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Solution

The third proportional to 21,777,540 and 29,593,917 is: 40,215,741.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,777,540 : 29,593,917 = 29,593,917 : x
  2. Step 2: Convert to fraction form
    21,777,540/29,593,917 = 29,593,917/x
  3. Step 3: Cross multiply
    21,777,540x = 29,593,917 × 29,593,917
  4. Step 4: Simplify right side
    21,777,540x = 875,799,923,402,889
  5. Step 5: Solve for x
    x = 875,799,923,402,889/21,777,540
  6. Step 6: Final answer
    x = 40,215,741.70

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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.