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Finding the Third Proportional to 396.50 and 796

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Solution

The third proportional to 396.50 and 796 is: 1,598.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.50 : 796 = 796 : x
  2. Step 2: Convert to fraction form
    396.50/796 = 796/x
  3. Step 3: Cross multiply
    396.50x = 796 × 796
  4. Step 4: Simplify right side
    396.50x = 633,616
  5. Step 5: Solve for x
    x = 633,616/396.50
  6. Step 6: Final answer
    x = 1,598.02

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Why These Related Problems?

These problems maintain the same ratio (2.01) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.