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Finding the Third Proportional to 172,614.38 and 379,356.75

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Solution

The third proportional to 172,614.38 and 379,356.75 is: 833,717.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,614.38 : 379,356.75 = 379,356.75 : x
  2. Step 2: Convert to fraction form
    172,614.38/379,356.75 = 379,356.75/x
  3. Step 3: Cross multiply
    172,614.38x = 379,356.75 × 379,356.75
  4. Step 4: Simplify right side
    172,614.38x = 143,911,543,770.56
  5. Step 5: Solve for x
    x = 143,911,543,770.56/172,614.38
  6. Step 6: Final answer
    x = 833,717.03

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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.