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Finding the Third Proportional to 195.88 and 439.75

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Solution

The third proportional to 195.88 and 439.75 is: 987.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.88 : 439.75 = 439.75 : x
  2. Step 2: Convert to fraction form
    195.88/439.75 = 439.75/x
  3. Step 3: Cross multiply
    195.88x = 439.75 × 439.75
  4. Step 4: Simplify right side
    195.88x = 193,380.06
  5. Step 5: Solve for x
    x = 193,380.06/195.88
  6. Step 6: Final answer
    x = 987.26

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Why These Related Problems?

These problems maintain the same ratio (2.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.