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Finding the Third Proportional to 21,568 and 44,512

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Solution

The third proportional to 21,568 and 44,512 is: 91,863.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,568 : 44,512 = 44,512 : x
  2. Step 2: Convert to fraction form
    21,568/44,512 = 44,512/x
  3. Step 3: Cross multiply
    21,568x = 44,512 × 44,512
  4. Step 4: Simplify right side
    21,568x = 1,981,318,144
  5. Step 5: Solve for x
    x = 1,981,318,144/21,568
  6. Step 6: Final answer
    x = 91,863.79

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.