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Finding the Third Proportional to 3,963 and 5,314

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Solution

The third proportional to 3,963 and 5,314 is: 7,125.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963 : 5,314 = 5,314 : x
  2. Step 2: Convert to fraction form
    3,963/5,314 = 5,314/x
  3. Step 3: Cross multiply
    3,963x = 5,314 × 5,314
  4. Step 4: Simplify right side
    3,963x = 28,238,596
  5. Step 5: Solve for x
    x = 28,238,596/3,963
  6. Step 6: Final answer
    x = 7,125.56

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.