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Finding the Third Proportional to 493.17 and 628.17

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Solution

The third proportional to 493.17 and 628.17 is: 800.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    493.17 : 628.17 = 628.17 : x
  2. Step 2: Convert to fraction form
    493.17/628.17 = 628.17/x
  3. Step 3: Cross multiply
    493.17x = 628.17 × 628.17
  4. Step 4: Simplify right side
    493.17x = 394,599.90
  5. Step 5: Solve for x
    x = 394,599.90/493.17
  6. Step 6: Final answer
    x = 800.13

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.