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Finding the Third Proportional to 20,956 and 29,794

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Solution

The third proportional to 20,956 and 29,794 is: 42,359.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,956 : 29,794 = 29,794 : x
  2. Step 2: Convert to fraction form
    20,956/29,794 = 29,794/x
  3. Step 3: Cross multiply
    20,956x = 29,794 × 29,794
  4. Step 4: Simplify right side
    20,956x = 887,682,436
  5. Step 5: Solve for x
    x = 887,682,436/20,956
  6. Step 6: Final answer
    x = 42,359.35

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.