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Finding the Third Proportional to 176.25 and 198

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Solution

The third proportional to 176.25 and 198 is: 222.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.25 : 198 = 198 : x
  2. Step 2: Convert to fraction form
    176.25/198 = 198/x
  3. Step 3: Cross multiply
    176.25x = 198 × 198
  4. Step 4: Simplify right side
    176.25x = 39,204
  5. Step 5: Solve for x
    x = 39,204/176.25
  6. Step 6: Final answer
    x = 222.43

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Why These Related Problems?

These problems maintain the same ratio (1.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.