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Finding the Third Proportional to 57,661.50 and 125,163

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Solution

The third proportional to 57,661.50 and 125,163 is: 271,685.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,661.50 : 125,163 = 125,163 : x
  2. Step 2: Convert to fraction form
    57,661.50/125,163 = 125,163/x
  3. Step 3: Cross multiply
    57,661.50x = 125,163 × 125,163
  4. Step 4: Simplify right side
    57,661.50x = 15,665,776,569
  5. Step 5: Solve for x
    x = 15,665,776,569/57,661.50
  6. Step 6: Final answer
    x = 271,685.21

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.