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Finding the Third Proportional to 747,676 and 1,644,816

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Solution

The third proportional to 747,676 and 1,644,816 is: 3,618,438.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,676 : 1,644,816 = 1,644,816 : x
  2. Step 2: Convert to fraction form
    747,676/1,644,816 = 1,644,816/x
  3. Step 3: Cross multiply
    747,676x = 1,644,816 × 1,644,816
  4. Step 4: Simplify right side
    747,676x = 2,705,419,673,856
  5. Step 5: Solve for x
    x = 2,705,419,673,856/747,676
  6. Step 6: Final answer
    x = 3,618,438.57

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.