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Finding the Third Proportional to 5,384 and 12,676

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Solution

The third proportional to 5,384 and 12,676 is: 29,844.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384 : 12,676 = 12,676 : x
  2. Step 2: Convert to fraction form
    5,384/12,676 = 12,676/x
  3. Step 3: Cross multiply
    5,384x = 12,676 × 12,676
  4. Step 4: Simplify right side
    5,384x = 160,680,976
  5. Step 5: Solve for x
    x = 160,680,976/5,384
  6. Step 6: Final answer
    x = 29,844.16

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.