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Finding the Third Proportional to 321.88 and 452.44

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Solution

The third proportional to 321.88 and 452.44 is: 635.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    321.88 : 452.44 = 452.44 : x
  2. Step 2: Convert to fraction form
    321.88/452.44 = 452.44/x
  3. Step 3: Cross multiply
    321.88x = 452.44 × 452.44
  4. Step 4: Simplify right side
    321.88x = 204,699.69
  5. Step 5: Solve for x
    x = 204,699.69/321.88
  6. Step 6: Final answer
    x = 635.96

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.