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Finding the Third Proportional to 181.69 and 400.97

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Solution

The third proportional to 181.69 and 400.97 is: 884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.69 : 400.97 = 400.97 : x
  2. Step 2: Convert to fraction form
    181.69/400.97 = 400.97/x
  3. Step 3: Cross multiply
    181.69x = 400.97 × 400.97
  4. Step 4: Simplify right side
    181.69x = 160,775.94
  5. Step 5: Solve for x
    x = 160,775.94/181.69
  6. Step 6: Final answer
    x = 884.90

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.