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Finding the Third Proportional to 3,318 and 8,979

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Solution

The third proportional to 3,318 and 8,979 is: 24,298.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318 : 8,979 = 8,979 : x
  2. Step 2: Convert to fraction form
    3,318/8,979 = 8,979/x
  3. Step 3: Cross multiply
    3,318x = 8,979 × 8,979
  4. Step 4: Simplify right side
    3,318x = 80,622,441
  5. Step 5: Solve for x
    x = 80,622,441/3,318
  6. Step 6: Final answer
    x = 24,298.51

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Why These Related Problems?

These problems maintain the same ratio (2.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.