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Finding the Third Proportional to 80,629 and 125,265

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Solution

The third proportional to 80,629 and 125,265 is: 194,611.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,629 : 125,265 = 125,265 : x
  2. Step 2: Convert to fraction form
    80,629/125,265 = 125,265/x
  3. Step 3: Cross multiply
    80,629x = 125,265 × 125,265
  4. Step 4: Simplify right side
    80,629x = 15,691,320,225
  5. Step 5: Solve for x
    x = 15,691,320,225/80,629
  6. Step 6: Final answer
    x = 194,611.37

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.