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Finding the Third Proportional to 21,467 and 33,171

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Solution

The third proportional to 21,467 and 33,171 is: 51,256.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,467 : 33,171 = 33,171 : x
  2. Step 2: Convert to fraction form
    21,467/33,171 = 33,171/x
  3. Step 3: Cross multiply
    21,467x = 33,171 × 33,171
  4. Step 4: Simplify right side
    21,467x = 1,100,315,241
  5. Step 5: Solve for x
    x = 1,100,315,241/21,467
  6. Step 6: Final answer
    x = 51,256.13

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.