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Finding the Third Proportional to 198.75 and 464.13

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Solution

The third proportional to 198.75 and 464.13 is: 1,083.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    198.75 : 464.13 = 464.13 : x
  2. Step 2: Convert to fraction form
    198.75/464.13 = 464.13/x
  3. Step 3: Cross multiply
    198.75x = 464.13 × 464.13
  4. Step 4: Simplify right side
    198.75x = 215,412.02
  5. Step 5: Solve for x
    x = 215,412.02/198.75
  6. Step 6: Final answer
    x = 1,083.83

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.