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Finding the Third Proportional to 766.88 and 1,624.97

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Solution

The third proportional to 766.88 and 1,624.97 is: 3,443.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    766.88 : 1,624.97 = 1,624.97 : x
  2. Step 2: Convert to fraction form
    766.88/1,624.97 = 1,624.97/x
  3. Step 3: Cross multiply
    766.88x = 1,624.97 × 1,624.97
  4. Step 4: Simplify right side
    766.88x = 2,640,523.44
  5. Step 5: Solve for x
    x = 2,640,523.44/766.88
  6. Step 6: Final answer
    x = 3,443.23

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.