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Finding the Third Proportional to 63,517,327 and 137,786,917

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Solution

The third proportional to 63,517,327 and 137,786,917 is: 298,898,511.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,517,327 : 137,786,917 = 137,786,917 : x
  2. Step 2: Convert to fraction form
    63,517,327/137,786,917 = 137,786,917/x
  3. Step 3: Cross multiply
    63,517,327x = 137,786,917 × 137,786,917
  4. Step 4: Simplify right side
    63,517,327x = 18,985,234,496,364,888
  5. Step 5: Solve for x
    x = 18,985,234,496,364,888/63,517,327
  6. Step 6: Final answer
    x = 298,898,511.53

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.