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Finding the Third Proportional to 842 and 932

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Solution

The third proportional to 842 and 932 is: 1,031.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    842 : 932 = 932 : x
  2. Step 2: Convert to fraction form
    842/932 = 932/x
  3. Step 3: Cross multiply
    842x = 932 × 932
  4. Step 4: Simplify right side
    842x = 868,624
  5. Step 5: Solve for x
    x = 868,624/842
  6. Step 6: Final answer
    x = 1,031.62

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.