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Finding the Third Proportional to 57,486 and 125,662

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Solution

The third proportional to 57,486 and 125,662 is: 274,691.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,486 : 125,662 = 125,662 : x
  2. Step 2: Convert to fraction form
    57,486/125,662 = 125,662/x
  3. Step 3: Cross multiply
    57,486x = 125,662 × 125,662
  4. Step 4: Simplify right side
    57,486x = 15,790,938,244
  5. Step 5: Solve for x
    x = 15,790,938,244/57,486
  6. Step 6: Final answer
    x = 274,691.89

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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.