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Finding the Third Proportional to 286,891.03 and 628,183.69

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Solution

The third proportional to 286,891.03 and 628,183.69 is: 1,375,486.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,891.03 : 628,183.69 = 628,183.69 : x
  2. Step 2: Convert to fraction form
    286,891.03/628,183.69 = 628,183.69/x
  3. Step 3: Cross multiply
    286,891.03x = 628,183.69 × 628,183.69
  4. Step 4: Simplify right side
    286,891.03x = 394,614,745,241.10
  5. Step 5: Solve for x
    x = 394,614,745,241.10/286,891.03
  6. Step 6: Final answer
    x = 1,375,486.52

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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.