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Finding the Third Proportional to 62,265.75 and 87,372

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Solution

The third proportional to 62,265.75 and 87,372 is: 122,601.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,265.75 : 87,372 = 87,372 : x
  2. Step 2: Convert to fraction form
    62,265.75/87,372 = 87,372/x
  3. Step 3: Cross multiply
    62,265.75x = 87,372 × 87,372
  4. Step 4: Simplify right side
    62,265.75x = 7,633,866,384
  5. Step 5: Solve for x
    x = 7,633,866,384/62,265.75
  6. Step 6: Final answer
    x = 122,601.37

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.