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Finding the Third Proportional to 18,236 and 39,244

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Solution

The third proportional to 18,236 and 39,244 is: 84,453.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236 : 39,244 = 39,244 : x
  2. Step 2: Convert to fraction form
    18,236/39,244 = 39,244/x
  3. Step 3: Cross multiply
    18,236x = 39,244 × 39,244
  4. Step 4: Simplify right side
    18,236x = 1,540,091,536
  5. Step 5: Solve for x
    x = 1,540,091,536/18,236
  6. Step 6: Final answer
    x = 84,453.36

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.