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Finding the Third Proportional to 12,195.56 and 20,184.19

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Solution

The third proportional to 12,195.56 and 20,184.19 is: 33,405.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195.56 : 20,184.19 = 20,184.19 : x
  2. Step 2: Convert to fraction form
    12,195.56/20,184.19 = 20,184.19/x
  3. Step 3: Cross multiply
    12,195.56x = 20,184.19 × 20,184.19
  4. Step 4: Simplify right side
    12,195.56x = 407,401,425.04
  5. Step 5: Solve for x
    x = 407,401,425.04/12,195.56
  6. Step 6: Final answer
    x = 33,405.71

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.