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Finding the Third Proportional to 49,351.75 and 108,542

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Solution

The third proportional to 49,351.75 and 108,542 is: 238,722.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,351.75 : 108,542 = 108,542 : x
  2. Step 2: Convert to fraction form
    49,351.75/108,542 = 108,542/x
  3. Step 3: Cross multiply
    49,351.75x = 108,542 × 108,542
  4. Step 4: Simplify right side
    49,351.75x = 11,781,365,764
  5. Step 5: Solve for x
    x = 11,781,365,764/49,351.75
  6. Step 6: Final answer
    x = 238,722.35

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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.