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Finding the Third Proportional to 20,714 and 43,636

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Solution

The third proportional to 20,714 and 43,636 is: 91,923.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,714 : 43,636 = 43,636 : x
  2. Step 2: Convert to fraction form
    20,714/43,636 = 43,636/x
  3. Step 3: Cross multiply
    20,714x = 43,636 × 43,636
  4. Step 4: Simplify right side
    20,714x = 1,904,100,496
  5. Step 5: Solve for x
    x = 1,904,100,496/20,714
  6. Step 6: Final answer
    x = 91,923.36

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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.