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Finding the Third Proportional to 81,825 and 176,529

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Solution

The third proportional to 81,825 and 176,529 is: 380,843.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,825 : 176,529 = 176,529 : x
  2. Step 2: Convert to fraction form
    81,825/176,529 = 176,529/x
  3. Step 3: Cross multiply
    81,825x = 176,529 × 176,529
  4. Step 4: Simplify right side
    81,825x = 31,162,487,841
  5. Step 5: Solve for x
    x = 31,162,487,841/81,825
  6. Step 6: Final answer
    x = 380,843.11

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.