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Finding the Third Proportional to 148.88 and 198

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Solution

The third proportional to 148.88 and 198 is: 263.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.88 : 198 = 198 : x
  2. Step 2: Convert to fraction form
    148.88/198 = 198/x
  3. Step 3: Cross multiply
    148.88x = 198 × 198
  4. Step 4: Simplify right side
    148.88x = 39,204
  5. Step 5: Solve for x
    x = 39,204/148.88
  6. Step 6: Final answer
    x = 263.34

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.