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Finding the Third Proportional to 1,328,544 and 1,992,468.38

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Solution

The third proportional to 1,328,544 and 1,992,468.38 is: 2,988,181.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,544 : 1,992,468.38 = 1,992,468.38 : x
  2. Step 2: Convert to fraction form
    1,328,544/1,992,468.38 = 1,992,468.38/x
  3. Step 3: Cross multiply
    1,328,544x = 1,992,468.38 × 1,992,468.38
  4. Step 4: Simplify right side
    1,328,544x = 3,969,930,225,375.14
  5. Step 5: Solve for x
    x = 3,969,930,225,375.14/1,328,544
  6. Step 6: Final answer
    x = 2,988,181.22

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