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Finding the Third Proportional to 9,330.19 and 20,163.38

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Solution

The third proportional to 9,330.19 and 20,163.38 is: 43,574.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,330.19 : 20,163.38 = 20,163.38 : x
  2. Step 2: Convert to fraction form
    9,330.19/20,163.38 = 20,163.38/x
  3. Step 3: Cross multiply
    9,330.19x = 20,163.38 × 20,163.38
  4. Step 4: Simplify right side
    9,330.19x = 406,561,691.39
  5. Step 5: Solve for x
    x = 406,561,691.39/9,330.19
  6. Step 6: Final answer
    x = 43,574.87

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.