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Finding the Third Proportional to 87,444 and 187,626

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Solution

The third proportional to 87,444 and 187,626 is: 402,583.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,444 : 187,626 = 187,626 : x
  2. Step 2: Convert to fraction form
    87,444/187,626 = 187,626/x
  3. Step 3: Cross multiply
    87,444x = 187,626 × 187,626
  4. Step 4: Simplify right side
    87,444x = 35,203,515,876
  5. Step 5: Solve for x
    x = 35,203,515,876/87,444
  6. Step 6: Final answer
    x = 402,583.55

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.