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Finding the Third Proportional to 27,921 and 60,759

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Solution

The third proportional to 27,921 and 60,759 is: 132,217.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,921 : 60,759 = 60,759 : x
  2. Step 2: Convert to fraction form
    27,921/60,759 = 60,759/x
  3. Step 3: Cross multiply
    27,921x = 60,759 × 60,759
  4. Step 4: Simplify right side
    27,921x = 3,691,656,081
  5. Step 5: Solve for x
    x = 3,691,656,081/27,921
  6. Step 6: Final answer
    x = 132,217.90

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.