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Finding the Third Proportional to 80,161.88 and 176,320.13

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Solution

The third proportional to 80,161.88 and 176,320.13 is: 387,825.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,161.88 : 176,320.13 = 176,320.13 : x
  2. Step 2: Convert to fraction form
    80,161.88/176,320.13 = 176,320.13/x
  3. Step 3: Cross multiply
    80,161.88x = 176,320.13 × 176,320.13
  4. Step 4: Simplify right side
    80,161.88x = 31,088,786,480.02
  5. Step 5: Solve for x
    x = 31,088,786,480.02/80,161.88
  6. Step 6: Final answer
    x = 387,825.09

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.