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Finding the Third Proportional to 87,661.50 and 124,040.25

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Solution

The third proportional to 87,661.50 and 124,040.25 is: 175,515.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,661.50 : 124,040.25 = 124,040.25 : x
  2. Step 2: Convert to fraction form
    87,661.50/124,040.25 = 124,040.25/x
  3. Step 3: Cross multiply
    87,661.50x = 124,040.25 × 124,040.25
  4. Step 4: Simplify right side
    87,661.50x = 15,385,983,620.06
  5. Step 5: Solve for x
    x = 15,385,983,620.06/87,661.50
  6. Step 6: Final answer
    x = 175,515.86

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.