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Finding the Third Proportional to 2,759 and 2,993

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Solution

The third proportional to 2,759 and 2,993 is: 3,246.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759 : 2,993 = 2,993 : x
  2. Step 2: Convert to fraction form
    2,759/2,993 = 2,993/x
  3. Step 3: Cross multiply
    2,759x = 2,993 × 2,993
  4. Step 4: Simplify right side
    2,759x = 8,958,049
  5. Step 5: Solve for x
    x = 8,958,049/2,759
  6. Step 6: Final answer
    x = 3,246.85

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.