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Finding the Third Proportional to 2,874 and 6,663

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Solution

The third proportional to 2,874 and 6,663 is: 15,447.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874 : 6,663 = 6,663 : x
  2. Step 2: Convert to fraction form
    2,874/6,663 = 6,663/x
  3. Step 3: Cross multiply
    2,874x = 6,663 × 6,663
  4. Step 4: Simplify right side
    2,874x = 44,395,569
  5. Step 5: Solve for x
    x = 44,395,569/2,874
  6. Step 6: Final answer
    x = 15,447.31

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.