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Finding the Third Proportional to 18,233 and 37,731

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Solution

The third proportional to 18,233 and 37,731 is: 78,079.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,233 : 37,731 = 37,731 : x
  2. Step 2: Convert to fraction form
    18,233/37,731 = 37,731/x
  3. Step 3: Cross multiply
    18,233x = 37,731 × 37,731
  4. Step 4: Simplify right side
    18,233x = 1,423,628,361
  5. Step 5: Solve for x
    x = 1,423,628,361/18,233
  6. Step 6: Final answer
    x = 78,079.77

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.