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Finding the Third Proportional to 198.75 and 241.13

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Solution

The third proportional to 198.75 and 241.13 is: 292.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    198.75 : 241.13 = 241.13 : x
  2. Step 2: Convert to fraction form
    198.75/241.13 = 241.13/x
  3. Step 3: Cross multiply
    198.75x = 241.13 × 241.13
  4. Step 4: Simplify right side
    198.75x = 58,141.27
  5. Step 5: Solve for x
    x = 58,141.27/198.75
  6. Step 6: Final answer
    x = 292.53

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.