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Finding the Third Proportional to 532 and 631

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Solution

The third proportional to 532 and 631 is: 748.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    532 : 631 = 631 : x
  2. Step 2: Convert to fraction form
    532/631 = 631/x
  3. Step 3: Cross multiply
    532x = 631 × 631
  4. Step 4: Simplify right side
    532x = 398,161
  5. Step 5: Solve for x
    x = 398,161/532
  6. Step 6: Final answer
    x = 748.42

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These problems maintain the same ratio (1.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.