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Finding the Third Proportional to 198 and 300

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Solution

The third proportional to 198 and 300 is: 454.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    198 : 300 = 300 : x
  2. Step 2: Convert to fraction form
    198/300 = 300/x
  3. Step 3: Cross multiply
    198x = 300 × 300
  4. Step 4: Simplify right side
    198x = 90,000
  5. Step 5: Solve for x
    x = 90,000/198
  6. Step 6: Final answer
    x = 454.55

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