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Finding the Third Proportional to 204,491.25 and 419,158.13

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Solution

The third proportional to 204,491.25 and 419,158.13 is: 859,173.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,491.25 : 419,158.13 = 419,158.13 : x
  2. Step 2: Convert to fraction form
    204,491.25/419,158.13 = 419,158.13/x
  3. Step 3: Cross multiply
    204,491.25x = 419,158.13 × 419,158.13
  4. Step 4: Simplify right side
    204,491.25x = 175,693,533,753.52
  5. Step 5: Solve for x
    x = 175,693,533,753.52/204,491.25
  6. Step 6: Final answer
    x = 859,173.85

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.