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Finding the Third Proportional to 196.88 and 447.75

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Solution

The third proportional to 196.88 and 447.75 is: 1,018.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.88 : 447.75 = 447.75 : x
  2. Step 2: Convert to fraction form
    196.88/447.75 = 447.75/x
  3. Step 3: Cross multiply
    196.88x = 447.75 × 447.75
  4. Step 4: Simplify right side
    196.88x = 200,480.06
  5. Step 5: Solve for x
    x = 200,480.06/196.88
  6. Step 6: Final answer
    x = 1,018.31

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Why These Related Problems?

These problems maintain the same ratio (2.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.