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Finding the Third Proportional to 362 and 631

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Solution

The third proportional to 362 and 631 is: 1,099.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    362 : 631 = 631 : x
  2. Step 2: Convert to fraction form
    362/631 = 631/x
  3. Step 3: Cross multiply
    362x = 631 × 631
  4. Step 4: Simplify right side
    362x = 398,161
  5. Step 5: Solve for x
    x = 398,161/362
  6. Step 6: Final answer
    x = 1,099.89

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Why These Related Problems?

These problems maintain the same ratio (1.74) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.