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Finding the Third Proportional to 9,245 and 20,137

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Solution

The third proportional to 9,245 and 20,137 is: 43,861.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,245 : 20,137 = 20,137 : x
  2. Step 2: Convert to fraction form
    9,245/20,137 = 20,137/x
  3. Step 3: Cross multiply
    9,245x = 20,137 × 20,137
  4. Step 4: Simplify right side
    9,245x = 405,498,769
  5. Step 5: Solve for x
    x = 405,498,769/9,245
  6. Step 6: Final answer
    x = 43,861.41

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.