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Finding the Third Proportional to 71,754.75 and 156,426.75

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Solution

The third proportional to 71,754.75 and 156,426.75 is: 341,013.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,754.75 : 156,426.75 = 156,426.75 : x
  2. Step 2: Convert to fraction form
    71,754.75/156,426.75 = 156,426.75/x
  3. Step 3: Cross multiply
    71,754.75x = 156,426.75 × 156,426.75
  4. Step 4: Simplify right side
    71,754.75x = 24,469,328,115.56
  5. Step 5: Solve for x
    x = 24,469,328,115.56/71,754.75
  6. Step 6: Final answer
    x = 341,013.36

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.