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Finding the Third Proportional to 148.08 and 222.12

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Solution

The third proportional to 148.08 and 222.12 is: 333.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.08 : 222.12 = 222.12 : x
  2. Step 2: Convert to fraction form
    148.08/222.12 = 222.12/x
  3. Step 3: Cross multiply
    148.08x = 222.12 × 222.12
  4. Step 4: Simplify right side
    148.08x = 49,336.04
  5. Step 5: Solve for x
    x = 49,336.04/148.08
  6. Step 6: Final answer
    x = 333.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.