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Finding the Third Proportional to 57,737 and 126,805

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Solution

The third proportional to 57,737 and 126,805 is: 278,495.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,737 : 126,805 = 126,805 : x
  2. Step 2: Convert to fraction form
    57,737/126,805 = 126,805/x
  3. Step 3: Cross multiply
    57,737x = 126,805 × 126,805
  4. Step 4: Simplify right side
    57,737x = 16,079,508,025
  5. Step 5: Solve for x
    x = 16,079,508,025/57,737
  6. Step 6: Final answer
    x = 278,495.73

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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.