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Finding the Third Proportional to 14,163.75 and 21,238.88

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Solution

The third proportional to 14,163.75 and 21,238.88 is: 31,848.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163.75 : 21,238.88 = 21,238.88 : x
  2. Step 2: Convert to fraction form
    14,163.75/21,238.88 = 21,238.88/x
  3. Step 3: Cross multiply
    14,163.75x = 21,238.88 × 21,238.88
  4. Step 4: Simplify right side
    14,163.75x = 451,089,811.27
  5. Step 5: Solve for x
    x = 451,089,811.27/14,163.75
  6. Step 6: Final answer
    x = 31,848.19

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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.