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Finding the Third Proportional to 20,884 and 43,964

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Solution

The third proportional to 20,884 and 43,964 is: 92,550.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,884 : 43,964 = 43,964 : x
  2. Step 2: Convert to fraction form
    20,884/43,964 = 43,964/x
  3. Step 3: Cross multiply
    20,884x = 43,964 × 43,964
  4. Step 4: Simplify right side
    20,884x = 1,932,833,296
  5. Step 5: Solve for x
    x = 1,932,833,296/20,884
  6. Step 6: Final answer
    x = 92,550.91

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.