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Finding the Third Proportional to 69,879 and 150,837

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Solution

The third proportional to 69,879 and 150,837 is: 325,588.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,879 : 150,837 = 150,837 : x
  2. Step 2: Convert to fraction form
    69,879/150,837 = 150,837/x
  3. Step 3: Cross multiply
    69,879x = 150,837 × 150,837
  4. Step 4: Simplify right side
    69,879x = 22,751,800,569
  5. Step 5: Solve for x
    x = 22,751,800,569/69,879
  6. Step 6: Final answer
    x = 325,588.53

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.