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Finding the Third Proportional to 196.25 and 249

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Solution

The third proportional to 196.25 and 249 is: 315.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.25 : 249 = 249 : x
  2. Step 2: Convert to fraction form
    196.25/249 = 249/x
  3. Step 3: Cross multiply
    196.25x = 249 × 249
  4. Step 4: Simplify right side
    196.25x = 62,001
  5. Step 5: Solve for x
    x = 62,001/196.25
  6. Step 6: Final answer
    x = 315.93

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.