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Finding the Third Proportional to 172,519.88 and 375,414.75

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Solution

The third proportional to 172,519.88 and 375,414.75 is: 816,927.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,519.88 : 375,414.75 = 375,414.75 : x
  2. Step 2: Convert to fraction form
    172,519.88/375,414.75 = 375,414.75/x
  3. Step 3: Cross multiply
    172,519.88x = 375,414.75 × 375,414.75
  4. Step 4: Simplify right side
    172,519.88x = 140,936,234,517.56
  5. Step 5: Solve for x
    x = 140,936,234,517.56/172,519.88
  6. Step 6: Final answer
    x = 816,927.53

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.