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Finding the Third Proportional to 27,749 and 59,931

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Solution

The third proportional to 27,749 and 59,931 is: 129,436.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,749 : 59,931 = 59,931 : x
  2. Step 2: Convert to fraction form
    27,749/59,931 = 59,931/x
  3. Step 3: Cross multiply
    27,749x = 59,931 × 59,931
  4. Step 4: Simplify right side
    27,749x = 3,591,724,761
  5. Step 5: Solve for x
    x = 3,591,724,761/27,749
  6. Step 6: Final answer
    x = 129,436.19

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.