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Finding the Third Proportional to 2,766 and 4,067

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Solution

The third proportional to 2,766 and 4,067 is: 5,979.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766 : 4,067 = 4,067 : x
  2. Step 2: Convert to fraction form
    2,766/4,067 = 4,067/x
  3. Step 3: Cross multiply
    2,766x = 4,067 × 4,067
  4. Step 4: Simplify right side
    2,766x = 16,540,489
  5. Step 5: Solve for x
    x = 16,540,489/2,766
  6. Step 6: Final answer
    x = 5,979.93

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.