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Finding the Third Proportional to 20,193,542 and 31,327,443

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Solution

The third proportional to 20,193,542 and 31,327,443 is: 48,600,125.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193,542 : 31,327,443 = 31,327,443 : x
  2. Step 2: Convert to fraction form
    20,193,542/31,327,443 = 31,327,443/x
  3. Step 3: Cross multiply
    20,193,542x = 31,327,443 × 31,327,443
  4. Step 4: Simplify right side
    20,193,542x = 981,408,684,918,249
  5. Step 5: Solve for x
    x = 981,408,684,918,249/20,193,542
  6. Step 6: Final answer
    x = 48,600,125.97

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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.