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Finding the Third Proportional to 17,851.50 and 38,349

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Solution

The third proportional to 17,851.50 and 38,349 is: 82,382.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,851.50 : 38,349 = 38,349 : x
  2. Step 2: Convert to fraction form
    17,851.50/38,349 = 38,349/x
  3. Step 3: Cross multiply
    17,851.50x = 38,349 × 38,349
  4. Step 4: Simplify right side
    17,851.50x = 1,470,645,801
  5. Step 5: Solve for x
    x = 1,470,645,801/17,851.50
  6. Step 6: Final answer
    x = 82,382.20

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.