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Finding the Third Proportional to 108,867.38 and 222,109.13

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Solution

The third proportional to 108,867.38 and 222,109.13 is: 453,142.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,867.38 : 222,109.13 = 222,109.13 : x
  2. Step 2: Convert to fraction form
    108,867.38/222,109.13 = 222,109.13/x
  3. Step 3: Cross multiply
    108,867.38x = 222,109.13 × 222,109.13
  4. Step 4: Simplify right side
    108,867.38x = 49,332,463,408.27
  5. Step 5: Solve for x
    x = 49,332,463,408.27/108,867.38
  6. Step 6: Final answer
    x = 453,142.77

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.