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Finding the Third Proportional to 4,976 and 12,744

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Solution

The third proportional to 4,976 and 12,744 is: 32,638.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976 : 12,744 = 12,744 : x
  2. Step 2: Convert to fraction form
    4,976/12,744 = 12,744/x
  3. Step 3: Cross multiply
    4,976x = 12,744 × 12,744
  4. Step 4: Simplify right side
    4,976x = 162,409,536
  5. Step 5: Solve for x
    x = 162,409,536/4,976
  6. Step 6: Final answer
    x = 32,638.57

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Why These Related Problems?

These problems maintain the same ratio (2.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.