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Finding the Third Proportional to 199,469.25 and 299,346.75

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Solution

The third proportional to 199,469.25 and 299,346.75 is: 449,234.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,469.25 : 299,346.75 = 299,346.75 : x
  2. Step 2: Convert to fraction form
    199,469.25/299,346.75 = 299,346.75/x
  3. Step 3: Cross multiply
    199,469.25x = 299,346.75 × 299,346.75
  4. Step 4: Simplify right side
    199,469.25x = 89,608,476,735.56
  5. Step 5: Solve for x
    x = 89,608,476,735.56/199,469.25
  6. Step 6: Final answer
    x = 449,234.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.