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Finding the Third Proportional to 481.97 and 775.69

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Solution

The third proportional to 481.97 and 775.69 is: 1,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.97 : 775.69 = 775.69 : x
  2. Step 2: Convert to fraction form
    481.97/775.69 = 775.69/x
  3. Step 3: Cross multiply
    481.97x = 775.69 × 775.69
  4. Step 4: Simplify right side
    481.97x = 601,691.10
  5. Step 5: Solve for x
    x = 601,691.10/481.97
  6. Step 6: Final answer
    x = 1,248.40

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.