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Finding the Third Proportional to 17,176 and 27,218

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Solution

The third proportional to 17,176 and 27,218 is: 43,131.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,176 : 27,218 = 27,218 : x
  2. Step 2: Convert to fraction form
    17,176/27,218 = 27,218/x
  3. Step 3: Cross multiply
    17,176x = 27,218 × 27,218
  4. Step 4: Simplify right side
    17,176x = 740,819,524
  5. Step 5: Solve for x
    x = 740,819,524/17,176
  6. Step 6: Final answer
    x = 43,131.09

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.