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Finding the Third Proportional to 632 and 682

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Solution

The third proportional to 632 and 682 is: 735.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    632 : 682 = 682 : x
  2. Step 2: Convert to fraction form
    632/682 = 682/x
  3. Step 3: Cross multiply
    632x = 682 × 682
  4. Step 4: Simplify right side
    632x = 465,124
  5. Step 5: Solve for x
    x = 465,124/632
  6. Step 6: Final answer
    x = 735.96

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.