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Finding the Third Proportional to 439.13 and 893.44

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Solution

The third proportional to 439.13 and 893.44 is: 1,817.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    439.13 : 893.44 = 893.44 : x
  2. Step 2: Convert to fraction form
    439.13/893.44 = 893.44/x
  3. Step 3: Cross multiply
    439.13x = 893.44 × 893.44
  4. Step 4: Simplify right side
    439.13x = 798,230.57
  5. Step 5: Solve for x
    x = 798,230.57/439.13
  6. Step 6: Final answer
    x = 1,817.78

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.