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Finding the Third Proportional to 333.38 and 497.81

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Solution

The third proportional to 333.38 and 497.81 is: 743.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.38 : 497.81 = 497.81 : x
  2. Step 2: Convert to fraction form
    333.38/497.81 = 497.81/x
  3. Step 3: Cross multiply
    333.38x = 497.81 × 497.81
  4. Step 4: Simplify right side
    333.38x = 247,817.29
  5. Step 5: Solve for x
    x = 247,817.29/333.38
  6. Step 6: Final answer
    x = 743.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.