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Finding the Third Proportional to 199.97 and 464.48

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Solution

The third proportional to 199.97 and 464.48 is: 1,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199.97 : 464.48 = 464.48 : x
  2. Step 2: Convert to fraction form
    199.97/464.48 = 464.48/x
  3. Step 3: Cross multiply
    199.97x = 464.48 × 464.48
  4. Step 4: Simplify right side
    199.97x = 215,745.73
  5. Step 5: Solve for x
    x = 215,745.73/199.97
  6. Step 6: Final answer
    x = 1,078.90

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.