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Finding the Third Proportional to 18,622 and 39,314

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Solution

The third proportional to 18,622 and 39,314 is: 82,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622 : 39,314 = 39,314 : x
  2. Step 2: Convert to fraction form
    18,622/39,314 = 39,314/x
  3. Step 3: Cross multiply
    18,622x = 39,314 × 39,314
  4. Step 4: Simplify right side
    18,622x = 1,545,590,596
  5. Step 5: Solve for x
    x = 1,545,590,596/18,622
  6. Step 6: Final answer
    x = 82,998.10

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.