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Finding the Third Proportional to 233 and 396.50

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Solution

The third proportional to 233 and 396.50 is: 674.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    233 : 396.50 = 396.50 : x
  2. Step 2: Convert to fraction form
    233/396.50 = 396.50/x
  3. Step 3: Cross multiply
    233x = 396.50 × 396.50
  4. Step 4: Simplify right side
    233x = 157,212.25
  5. Step 5: Solve for x
    x = 157,212.25/233
  6. Step 6: Final answer
    x = 674.73

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Why These Related Problems?

These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.