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Finding the Third Proportional to 57,874 and 126,866

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Solution

The third proportional to 57,874 and 126,866 is: 278,103.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,874 : 126,866 = 126,866 : x
  2. Step 2: Convert to fraction form
    57,874/126,866 = 126,866/x
  3. Step 3: Cross multiply
    57,874x = 126,866 × 126,866
  4. Step 4: Simplify right side
    57,874x = 16,094,981,956
  5. Step 5: Solve for x
    x = 16,094,981,956/57,874
  6. Step 6: Final answer
    x = 278,103.85

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.