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Finding the Third Proportional to 3,986 and 6,015

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Solution

The third proportional to 3,986 and 6,015 is: 9,076.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986 : 6,015 = 6,015 : x
  2. Step 2: Convert to fraction form
    3,986/6,015 = 6,015/x
  3. Step 3: Cross multiply
    3,986x = 6,015 × 6,015
  4. Step 4: Simplify right side
    3,986x = 36,180,225
  5. Step 5: Solve for x
    x = 36,180,225/3,986
  6. Step 6: Final answer
    x = 9,076.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.