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Finding the Third Proportional to 379.13 and 892.69

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Solution

The third proportional to 379.13 and 892.69 is: 2,101.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    379.13 : 892.69 = 892.69 : x
  2. Step 2: Convert to fraction form
    379.13/892.69 = 892.69/x
  3. Step 3: Cross multiply
    379.13x = 892.69 × 892.69
  4. Step 4: Simplify right side
    379.13x = 796,890.97
  5. Step 5: Solve for x
    x = 796,890.97/379.13
  6. Step 6: Final answer
    x = 2,101.92

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.