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Finding the Third Proportional to 195.50 and 394

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Solution

The third proportional to 195.50 and 394 is: 794.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.50 : 394 = 394 : x
  2. Step 2: Convert to fraction form
    195.50/394 = 394/x
  3. Step 3: Cross multiply
    195.50x = 394 × 394
  4. Step 4: Simplify right side
    195.50x = 155,236
  5. Step 5: Solve for x
    x = 155,236/195.50
  6. Step 6: Final answer
    x = 794.05

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.