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Finding the Third Proportional to 40,263 and 81,606

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Solution

The third proportional to 40,263 and 81,606 is: 165,400.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,263 : 81,606 = 81,606 : x
  2. Step 2: Convert to fraction form
    40,263/81,606 = 81,606/x
  3. Step 3: Cross multiply
    40,263x = 81,606 × 81,606
  4. Step 4: Simplify right side
    40,263x = 6,659,539,236
  5. Step 5: Solve for x
    x = 6,659,539,236/40,263
  6. Step 6: Final answer
    x = 165,400.97

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.