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Finding the Third Proportional to 169,293 and 361,086

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Solution

The third proportional to 169,293 and 361,086 is: 770,162.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,293 : 361,086 = 361,086 : x
  2. Step 2: Convert to fraction form
    169,293/361,086 = 361,086/x
  3. Step 3: Cross multiply
    169,293x = 361,086 × 361,086
  4. Step 4: Simplify right side
    169,293x = 130,383,099,396
  5. Step 5: Solve for x
    x = 130,383,099,396/169,293
  6. Step 6: Final answer
    x = 770,162.38

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.