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Finding the Third Proportional to 179,879 and 259,869

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Solution

The third proportional to 179,879 and 259,869 is: 375,429.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,879 : 259,869 = 259,869 : x
  2. Step 2: Convert to fraction form
    179,879/259,869 = 259,869/x
  3. Step 3: Cross multiply
    179,879x = 259,869 × 259,869
  4. Step 4: Simplify right side
    179,879x = 67,531,897,161
  5. Step 5: Solve for x
    x = 67,531,897,161/179,879
  6. Step 6: Final answer
    x = 375,429.58

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.