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Finding the Third Proportional to 38,751.75 and 54,849

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Solution

The third proportional to 38,751.75 and 54,849 is: 77,632.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,751.75 : 54,849 = 54,849 : x
  2. Step 2: Convert to fraction form
    38,751.75/54,849 = 54,849/x
  3. Step 3: Cross multiply
    38,751.75x = 54,849 × 54,849
  4. Step 4: Simplify right side
    38,751.75x = 3,008,412,801
  5. Step 5: Solve for x
    x = 3,008,412,801/38,751.75
  6. Step 6: Final answer
    x = 77,632.95

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.