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Finding the Third Proportional to 57,717,144 and 126,977,517

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Solution

The third proportional to 57,717,144 and 126,977,517 is: 279,350,097.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,717,144 : 126,977,517 = 126,977,517 : x
  2. Step 2: Convert to fraction form
    57,717,144/126,977,517 = 126,977,517/x
  3. Step 3: Cross multiply
    57,717,144x = 126,977,517 × 126,977,517
  4. Step 4: Simplify right side
    57,717,144x = 16,123,289,823,485,288
  5. Step 5: Solve for x
    x = 16,123,289,823,485,288/57,717,144
  6. Step 6: Final answer
    x = 279,350,097.84

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.