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Finding the Third Proportional to 622,314 and 1,339,218

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Solution

The third proportional to 622,314 and 1,339,218 is: 2,881,993.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,314 : 1,339,218 = 1,339,218 : x
  2. Step 2: Convert to fraction form
    622,314/1,339,218 = 1,339,218/x
  3. Step 3: Cross multiply
    622,314x = 1,339,218 × 1,339,218
  4. Step 4: Simplify right side
    622,314x = 1,793,504,851,524
  5. Step 5: Solve for x
    x = 1,793,504,851,524/622,314
  6. Step 6: Final answer
    x = 2,881,993.42

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.