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Finding the Third Proportional to 27,162 and 56,790

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Solution

The third proportional to 27,162 and 56,790 is: 118,735.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,162 : 56,790 = 56,790 : x
  2. Step 2: Convert to fraction form
    27,162/56,790 = 56,790/x
  3. Step 3: Cross multiply
    27,162x = 56,790 × 56,790
  4. Step 4: Simplify right side
    27,162x = 3,225,104,100
  5. Step 5: Solve for x
    x = 3,225,104,100/27,162
  6. Step 6: Final answer
    x = 118,735.88

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.