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Finding the Third Proportional to 71,122.50 and 106,872.75

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Solution

The third proportional to 71,122.50 and 106,872.75 is: 160,593.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,122.50 : 106,872.75 = 106,872.75 : x
  2. Step 2: Convert to fraction form
    71,122.50/106,872.75 = 106,872.75/x
  3. Step 3: Cross multiply
    71,122.50x = 106,872.75 × 106,872.75
  4. Step 4: Simplify right side
    71,122.50x = 11,421,784,692.56
  5. Step 5: Solve for x
    x = 11,421,784,692.56/71,122.50
  6. Step 6: Final answer
    x = 160,593.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.