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Finding the Third Proportional to 195.50 and 275

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Solution

The third proportional to 195.50 and 275 is: 386.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.50 : 275 = 275 : x
  2. Step 2: Convert to fraction form
    195.50/275 = 275/x
  3. Step 3: Cross multiply
    195.50x = 275 × 275
  4. Step 4: Simplify right side
    195.50x = 75,625
  5. Step 5: Solve for x
    x = 75,625/195.50
  6. Step 6: Final answer
    x = 386.83

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.