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Finding the Third Proportional to 399 and 597

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Solution

The third proportional to 399 and 597 is: 893.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    399 : 597 = 597 : x
  2. Step 2: Convert to fraction form
    399/597 = 597/x
  3. Step 3: Cross multiply
    399x = 597 × 597
  4. Step 4: Simplify right side
    399x = 356,409
  5. Step 5: Solve for x
    x = 356,409/399
  6. Step 6: Final answer
    x = 893.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.