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Finding the Third Proportional to 2,769 and 5,987

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Solution

The third proportional to 2,769 and 5,987 is: 12,944.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769 : 5,987 = 5,987 : x
  2. Step 2: Convert to fraction form
    2,769/5,987 = 5,987/x
  3. Step 3: Cross multiply
    2,769x = 5,987 × 5,987
  4. Step 4: Simplify right side
    2,769x = 35,844,169
  5. Step 5: Solve for x
    x = 35,844,169/2,769
  6. Step 6: Final answer
    x = 12,944.81

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.