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Finding the Third Proportional to 147,967 and 231,867

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Solution

The third proportional to 147,967 and 231,867 is: 363,339.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,967 : 231,867 = 231,867 : x
  2. Step 2: Convert to fraction form
    147,967/231,867 = 231,867/x
  3. Step 3: Cross multiply
    147,967x = 231,867 × 231,867
  4. Step 4: Simplify right side
    147,967x = 53,762,305,689
  5. Step 5: Solve for x
    x = 53,762,305,689/147,967
  6. Step 6: Final answer
    x = 363,339.84

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.