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Finding the Third Proportional to 672 and 884

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Solution

The third proportional to 672 and 884 is: 1,162.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    672 : 884 = 884 : x
  2. Step 2: Convert to fraction form
    672/884 = 884/x
  3. Step 3: Cross multiply
    672x = 884 × 884
  4. Step 4: Simplify right side
    672x = 781,456
  5. Step 5: Solve for x
    x = 781,456/672
  6. Step 6: Final answer
    x = 1,162.88

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.