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Finding the Third Proportional to 557,397 and 1,204,218

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Solution

The third proportional to 557,397 and 1,204,218 is: 2,601,630.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,397 : 1,204,218 = 1,204,218 : x
  2. Step 2: Convert to fraction form
    557,397/1,204,218 = 1,204,218/x
  3. Step 3: Cross multiply
    557,397x = 1,204,218 × 1,204,218
  4. Step 4: Simplify right side
    557,397x = 1,450,140,991,524
  5. Step 5: Solve for x
    x = 1,450,140,991,524/557,397
  6. Step 6: Final answer
    x = 2,601,630.42

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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.