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Finding the Third Proportional to 17,915,638 and 38,177,925

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Solution

The third proportional to 17,915,638 and 38,177,925 is: 81,356,519.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,915,638 : 38,177,925 = 38,177,925 : x
  2. Step 2: Convert to fraction form
    17,915,638/38,177,925 = 38,177,925/x
  3. Step 3: Cross multiply
    17,915,638x = 38,177,925 × 38,177,925
  4. Step 4: Simplify right side
    17,915,638x = 1,457,553,957,305,625
  5. Step 5: Solve for x
    x = 1,457,553,957,305,625/17,915,638
  6. Step 6: Final answer
    x = 81,356,519.78

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.