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Finding the Third Proportional to 163.27 and 340.17

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Solution

The third proportional to 163.27 and 340.17 is: 708.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.27 : 340.17 = 340.17 : x
  2. Step 2: Convert to fraction form
    163.27/340.17 = 340.17/x
  3. Step 3: Cross multiply
    163.27x = 340.17 × 340.17
  4. Step 4: Simplify right side
    163.27x = 115,716.90
  5. Step 5: Solve for x
    x = 115,716.90/163.27
  6. Step 6: Final answer
    x = 708.76

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.