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Finding the Third Proportional to 396 and 703

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Solution

The third proportional to 396 and 703 is: 1,248.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    396 : 703 = 703 : x
  2. Step 2: Convert to fraction form
    396/703 = 703/x
  3. Step 3: Cross multiply
    396x = 703 × 703
  4. Step 4: Simplify right side
    396x = 494,209
  5. Step 5: Solve for x
    x = 494,209/396
  6. Step 6: Final answer
    x = 1,248.00

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These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.