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Finding the Third Proportional to 14,131.13 and 21,198.38

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Solution

The third proportional to 14,131.13 and 21,198.38 is: 31,800.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,131.13 : 21,198.38 = 21,198.38 : x
  2. Step 2: Convert to fraction form
    14,131.13/21,198.38 = 21,198.38/x
  3. Step 3: Cross multiply
    14,131.13x = 21,198.38 × 21,198.38
  4. Step 4: Simplify right side
    14,131.13x = 449,371,102.64
  5. Step 5: Solve for x
    x = 449,371,102.64/14,131.13
  6. Step 6: Final answer
    x = 31,800.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.