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Finding the Third Proportional to 664,683 and 1,449,666

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Solution

The third proportional to 664,683 and 1,449,666 is: 3,161,704.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,683 : 1,449,666 = 1,449,666 : x
  2. Step 2: Convert to fraction form
    664,683/1,449,666 = 1,449,666/x
  3. Step 3: Cross multiply
    664,683x = 1,449,666 × 1,449,666
  4. Step 4: Simplify right side
    664,683x = 2,101,531,511,556
  5. Step 5: Solve for x
    x = 2,101,531,511,556/664,683
  6. Step 6: Final answer
    x = 3,161,704.92

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.