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Finding the Third Proportional to 6,861.38 and 14,021.44

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Solution

The third proportional to 6,861.38 and 14,021.44 is: 28,653.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.38 : 14,021.44 = 14,021.44 : x
  2. Step 2: Convert to fraction form
    6,861.38/14,021.44 = 14,021.44/x
  3. Step 3: Cross multiply
    6,861.38x = 14,021.44 × 14,021.44
  4. Step 4: Simplify right side
    6,861.38x = 196,600,709.57
  5. Step 5: Solve for x
    x = 196,600,709.57/6,861.38
  6. Step 6: Final answer
    x = 28,653.25

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.