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Finding the Third Proportional to 5,512 and 10,744

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Solution

The third proportional to 5,512 and 10,744 is: 20,942.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512 : 10,744 = 10,744 : x
  2. Step 2: Convert to fraction form
    5,512/10,744 = 10,744/x
  3. Step 3: Cross multiply
    5,512x = 10,744 × 10,744
  4. Step 4: Simplify right side
    5,512x = 115,433,536
  5. Step 5: Solve for x
    x = 115,433,536/5,512
  6. Step 6: Final answer
    x = 20,942.22

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.