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Finding the Third Proportional to 18,243 and 27,496.50

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Solution

The third proportional to 18,243 and 27,496.50 is: 41,443.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,243 : 27,496.50 = 27,496.50 : x
  2. Step 2: Convert to fraction form
    18,243/27,496.50 = 27,496.50/x
  3. Step 3: Cross multiply
    18,243x = 27,496.50 × 27,496.50
  4. Step 4: Simplify right side
    18,243x = 756,057,512.25
  5. Step 5: Solve for x
    x = 756,057,512.25/18,243
  6. Step 6: Final answer
    x = 41,443.71

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.