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Finding the Third Proportional to 18,784 and 38,084

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Solution

The third proportional to 18,784 and 38,084 is: 77,214.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784 : 38,084 = 38,084 : x
  2. Step 2: Convert to fraction form
    18,784/38,084 = 38,084/x
  3. Step 3: Cross multiply
    18,784x = 38,084 × 38,084
  4. Step 4: Simplify right side
    18,784x = 1,450,391,056
  5. Step 5: Solve for x
    x = 1,450,391,056/18,784
  6. Step 6: Final answer
    x = 77,214.17

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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.