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Finding the Third Proportional to 17,991 and 27,237

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Solution

The third proportional to 17,991 and 27,237 is: 41,234.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,991 : 27,237 = 27,237 : x
  2. Step 2: Convert to fraction form
    17,991/27,237 = 27,237/x
  3. Step 3: Cross multiply
    17,991x = 27,237 × 27,237
  4. Step 4: Simplify right side
    17,991x = 741,854,169
  5. Step 5: Solve for x
    x = 741,854,169/17,991
  6. Step 6: Final answer
    x = 41,234.74

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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.