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Finding the Third Proportional to 932 and 1,328

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Solution

The third proportional to 932 and 1,328 is: 1,892.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    932 : 1,328 = 1,328 : x
  2. Step 2: Convert to fraction form
    932/1,328 = 1,328/x
  3. Step 3: Cross multiply
    932x = 1,328 × 1,328
  4. Step 4: Simplify right side
    932x = 1,763,584
  5. Step 5: Solve for x
    x = 1,763,584/932
  6. Step 6: Final answer
    x = 1,892.26

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.