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Finding the Third Proportional to 20,895 and 29,286

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Solution

The third proportional to 20,895 and 29,286 is: 41,046.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,895 : 29,286 = 29,286 : x
  2. Step 2: Convert to fraction form
    20,895/29,286 = 29,286/x
  3. Step 3: Cross multiply
    20,895x = 29,286 × 29,286
  4. Step 4: Simplify right side
    20,895x = 857,669,796
  5. Step 5: Solve for x
    x = 857,669,796/20,895
  6. Step 6: Final answer
    x = 41,046.65

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.