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Finding the Third Proportional to 8,469 and 17,727.75

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Solution

The third proportional to 8,469 and 17,727.75 is: 37,108.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,469 : 17,727.75 = 17,727.75 : x
  2. Step 2: Convert to fraction form
    8,469/17,727.75 = 17,727.75/x
  3. Step 3: Cross multiply
    8,469x = 17,727.75 × 17,727.75
  4. Step 4: Simplify right side
    8,469x = 314,273,120.06
  5. Step 5: Solve for x
    x = 314,273,120.06/8,469
  6. Step 6: Final answer
    x = 37,108.65

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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.