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Finding the Third Proportional to 873,183.38 and 1,908,690.75

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Solution

The third proportional to 873,183.38 and 1,908,690.75 is: 4,172,205.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,183.38 : 1,908,690.75 = 1,908,690.75 : x
  2. Step 2: Convert to fraction form
    873,183.38/1,908,690.75 = 1,908,690.75/x
  3. Step 3: Cross multiply
    873,183.38x = 1,908,690.75 × 1,908,690.75
  4. Step 4: Simplify right side
    873,183.38x = 3,643,100,379,135.56
  5. Step 5: Solve for x
    x = 3,643,100,379,135.56/873,183.38
  6. Step 6: Final answer
    x = 4,172,205.38

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.