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Finding the Third Proportional to 557,843 and 1,219,366

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Solution

The third proportional to 557,843 and 1,219,366 is: 2,665,361.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,843 : 1,219,366 = 1,219,366 : x
  2. Step 2: Convert to fraction form
    557,843/1,219,366 = 1,219,366/x
  3. Step 3: Cross multiply
    557,843x = 1,219,366 × 1,219,366
  4. Step 4: Simplify right side
    557,843x = 1,486,853,441,956
  5. Step 5: Solve for x
    x = 1,486,853,441,956/557,843
  6. Step 6: Final answer
    x = 2,665,361.83

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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.