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Finding the Third Proportional to 193 and 356.50

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Solution

The third proportional to 193 and 356.50 is: 658.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    193 : 356.50 = 356.50 : x
  2. Step 2: Convert to fraction form
    193/356.50 = 356.50/x
  3. Step 3: Cross multiply
    193x = 356.50 × 356.50
  4. Step 4: Simplify right side
    193x = 127,092.25
  5. Step 5: Solve for x
    x = 127,092.25/193
  6. Step 6: Final answer
    x = 658.51

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.