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Finding the Third Proportional to 3,110 and 6,682.75

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Solution

The third proportional to 3,110 and 6,682.75 is: 14,359.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110 : 6,682.75 = 6,682.75 : x
  2. Step 2: Convert to fraction form
    3,110/6,682.75 = 6,682.75/x
  3. Step 3: Cross multiply
    3,110x = 6,682.75 × 6,682.75
  4. Step 4: Simplify right side
    3,110x = 44,659,147.56
  5. Step 5: Solve for x
    x = 44,659,147.56/3,110
  6. Step 6: Final answer
    x = 14,359.85

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.