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Finding the Third Proportional to 89,932 and 129,552

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Solution

The third proportional to 89,932 and 129,552 is: 186,626.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,932 : 129,552 = 129,552 : x
  2. Step 2: Convert to fraction form
    89,932/129,552 = 129,552/x
  3. Step 3: Cross multiply
    89,932x = 129,552 × 129,552
  4. Step 4: Simplify right side
    89,932x = 16,783,720,704
  5. Step 5: Solve for x
    x = 16,783,720,704/89,932
  6. Step 6: Final answer
    x = 186,626.79

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.