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Finding the Third Proportional to 108,828 and 168,190

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Solution

The third proportional to 108,828 and 168,190 is: 259,931.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,828 : 168,190 = 168,190 : x
  2. Step 2: Convert to fraction form
    108,828/168,190 = 168,190/x
  3. Step 3: Cross multiply
    108,828x = 168,190 × 168,190
  4. Step 4: Simplify right side
    108,828x = 28,287,876,100
  5. Step 5: Solve for x
    x = 28,287,876,100/108,828
  6. Step 6: Final answer
    x = 259,931.97

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.