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Finding the Third Proportional to 7,974 and 16,859.25

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Solution

The third proportional to 7,974 and 16,859.25 is: 35,645.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974 : 16,859.25 = 16,859.25 : x
  2. Step 2: Convert to fraction form
    7,974/16,859.25 = 16,859.25/x
  3. Step 3: Cross multiply
    7,974x = 16,859.25 × 16,859.25
  4. Step 4: Simplify right side
    7,974x = 284,234,310.56
  5. Step 5: Solve for x
    x = 284,234,310.56/7,974
  6. Step 6: Final answer
    x = 35,645.14

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.