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Finding the Third Proportional to 408,082 and 573,649

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Solution

The third proportional to 408,082 and 573,649 is: 806,389.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,082 : 573,649 = 573,649 : x
  2. Step 2: Convert to fraction form
    408,082/573,649 = 573,649/x
  3. Step 3: Cross multiply
    408,082x = 573,649 × 573,649
  4. Step 4: Simplify right side
    408,082x = 329,073,175,201
  5. Step 5: Solve for x
    x = 329,073,175,201/408,082
  6. Step 6: Final answer
    x = 806,389.83

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.