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Finding the Third Proportional to 90,834 and 135,867

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Solution

The third proportional to 90,834 and 135,867 is: 203,226.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,834 : 135,867 = 135,867 : x
  2. Step 2: Convert to fraction form
    90,834/135,867 = 135,867/x
  3. Step 3: Cross multiply
    90,834x = 135,867 × 135,867
  4. Step 4: Simplify right side
    90,834x = 18,459,841,689
  5. Step 5: Solve for x
    x = 18,459,841,689/90,834
  6. Step 6: Final answer
    x = 203,226.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.