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Finding the Third Proportional to 163.56 and 229.44

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Solution

The third proportional to 163.56 and 229.44 is: 321.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.56 : 229.44 = 229.44 : x
  2. Step 2: Convert to fraction form
    163.56/229.44 = 229.44/x
  3. Step 3: Cross multiply
    163.56x = 229.44 × 229.44
  4. Step 4: Simplify right side
    163.56x = 52,641.57
  5. Step 5: Solve for x
    x = 52,641.57/163.56
  6. Step 6: Final answer
    x = 321.84

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.