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Finding the Third Proportional to 57,717,146 and 126,977,521

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Solution

The third proportional to 57,717,146 and 126,977,521 is: 279,350,105.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,717,146 : 126,977,521 = 126,977,521 : x
  2. Step 2: Convert to fraction form
    57,717,146/126,977,521 = 126,977,521/x
  3. Step 3: Cross multiply
    57,717,146x = 126,977,521 × 126,977,521
  4. Step 4: Simplify right side
    57,717,146x = 16,123,290,839,305,440
  5. Step 5: Solve for x
    x = 16,123,290,839,305,440/57,717,146
  6. Step 6: Final answer
    x = 279,350,105.76

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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.