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Finding the Third Proportional to 815,304 and 1,729,266

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Solution

The third proportional to 815,304 and 1,729,266 is: 3,667,786.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,304 : 1,729,266 = 1,729,266 : x
  2. Step 2: Convert to fraction form
    815,304/1,729,266 = 1,729,266/x
  3. Step 3: Cross multiply
    815,304x = 1,729,266 × 1,729,266
  4. Step 4: Simplify right side
    815,304x = 2,990,360,898,756
  5. Step 5: Solve for x
    x = 2,990,360,898,756/815,304
  6. Step 6: Final answer
    x = 3,667,786.37

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.