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Finding the Third Proportional to 71,179 and 106,571

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Solution

The third proportional to 71,179 and 106,571 is: 159,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,179 : 106,571 = 106,571 : x
  2. Step 2: Convert to fraction form
    71,179/106,571 = 106,571/x
  3. Step 3: Cross multiply
    71,179x = 106,571 × 106,571
  4. Step 4: Simplify right side
    71,179x = 11,357,378,041
  5. Step 5: Solve for x
    x = 11,357,378,041/71,179
  6. Step 6: Final answer
    x = 159,560.80

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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.