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Finding the Third Proportional to 17,551 and 38,794

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Solution

The third proportional to 17,551 and 38,794 is: 85,748.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,551 : 38,794 = 38,794 : x
  2. Step 2: Convert to fraction form
    17,551/38,794 = 38,794/x
  3. Step 3: Cross multiply
    17,551x = 38,794 × 38,794
  4. Step 4: Simplify right side
    17,551x = 1,504,974,436
  5. Step 5: Solve for x
    x = 1,504,974,436/17,551
  6. Step 6: Final answer
    x = 85,748.64

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.