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Finding the Third Proportional to 7,966 and 16,859

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Solution

The third proportional to 7,966 and 16,859 is: 35,679.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966 : 16,859 = 16,859 : x
  2. Step 2: Convert to fraction form
    7,966/16,859 = 16,859/x
  3. Step 3: Cross multiply
    7,966x = 16,859 × 16,859
  4. Step 4: Simplify right side
    7,966x = 284,225,881
  5. Step 5: Solve for x
    x = 284,225,881/7,966
  6. Step 6: Final answer
    x = 35,679.87

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.