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Finding the Third Proportional to 3,012 and 3,982

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Solution

The third proportional to 3,012 and 3,982 is: 5,264.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012 : 3,982 = 3,982 : x
  2. Step 2: Convert to fraction form
    3,012/3,982 = 3,982/x
  3. Step 3: Cross multiply
    3,012x = 3,982 × 3,982
  4. Step 4: Simplify right side
    3,012x = 15,856,324
  5. Step 5: Solve for x
    x = 15,856,324/3,012
  6. Step 6: Final answer
    x = 5,264.38

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.