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Finding the Third Proportional to 170,424 and 259,176.75

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Solution

The third proportional to 170,424 and 259,176.75 is: 394,149.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,424 : 259,176.75 = 259,176.75 : x
  2. Step 2: Convert to fraction form
    170,424/259,176.75 = 259,176.75/x
  3. Step 3: Cross multiply
    170,424x = 259,176.75 × 259,176.75
  4. Step 4: Simplify right side
    170,424x = 67,172,587,740.56
  5. Step 5: Solve for x
    x = 67,172,587,740.56/170,424
  6. Step 6: Final answer
    x = 394,149.81

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.