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Finding the Third Proportional to 134.75 and 222.38

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Solution

The third proportional to 134.75 and 222.38 is: 366.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.75 : 222.38 = 222.38 : x
  2. Step 2: Convert to fraction form
    134.75/222.38 = 222.38/x
  3. Step 3: Cross multiply
    134.75x = 222.38 × 222.38
  4. Step 4: Simplify right side
    134.75x = 49,450.64
  5. Step 5: Solve for x
    x = 49,450.64/134.75
  6. Step 6: Final answer
    x = 366.98

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.