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Finding the Third Proportional to 99,647 and 166,079

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Solution

The third proportional to 99,647 and 166,079 is: 276,799.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,647 : 166,079 = 166,079 : x
  2. Step 2: Convert to fraction form
    99,647/166,079 = 166,079/x
  3. Step 3: Cross multiply
    99,647x = 166,079 × 166,079
  4. Step 4: Simplify right side
    99,647x = 27,582,234,241
  5. Step 5: Solve for x
    x = 27,582,234,241/99,647
  6. Step 6: Final answer
    x = 276,799.44

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.