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Finding the Third Proportional to 87,391.31 and 134,950.41

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Solution

The third proportional to 87,391.31 and 134,950.41 is: 208,391.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,391.31 : 134,950.41 = 134,950.41 : x
  2. Step 2: Convert to fraction form
    87,391.31/134,950.41 = 134,950.41/x
  3. Step 3: Cross multiply
    87,391.31x = 134,950.41 × 134,950.41
  4. Step 4: Simplify right side
    87,391.31x = 18,211,612,147.04
  5. Step 5: Solve for x
    x = 18,211,612,147.04/87,391.31
  6. Step 6: Final answer
    x = 208,391.56

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.