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Finding the Third Proportional to 57,788,379 and 79,241,908

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Solution

The third proportional to 57,788,379 and 79,241,908 is: 108,659,908.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,788,379 : 79,241,908 = 79,241,908 : x
  2. Step 2: Convert to fraction form
    57,788,379/79,241,908 = 79,241,908/x
  3. Step 3: Cross multiply
    57,788,379x = 79,241,908 × 79,241,908
  4. Step 4: Simplify right side
    57,788,379x = 6,279,279,983,480,464
  5. Step 5: Solve for x
    x = 6,279,279,983,480,464/57,788,379
  6. Step 6: Final answer
    x = 108,659,908.66

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.