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Finding the Third Proportional to 414.50 and 775

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Solution

The third proportional to 414.50 and 775 is: 1,449.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    414.50 : 775 = 775 : x
  2. Step 2: Convert to fraction form
    414.50/775 = 775/x
  3. Step 3: Cross multiply
    414.50x = 775 × 775
  4. Step 4: Simplify right side
    414.50x = 600,625
  5. Step 5: Solve for x
    x = 600,625/414.50
  6. Step 6: Final answer
    x = 1,449.03

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Why These Related Problems?

These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.