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Finding the Third Proportional to 21,992 and 33,176

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Solution

The third proportional to 21,992 and 33,176 is: 50,047.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,992 : 33,176 = 33,176 : x
  2. Step 2: Convert to fraction form
    21,992/33,176 = 33,176/x
  3. Step 3: Cross multiply
    21,992x = 33,176 × 33,176
  4. Step 4: Simplify right side
    21,992x = 1,100,646,976
  5. Step 5: Solve for x
    x = 1,100,646,976/21,992
  6. Step 6: Final answer
    x = 50,047.61

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.