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Finding the Third Proportional to 621,654 and 944,631

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Solution

The third proportional to 621,654 and 944,631 is: 1,435,408.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,654 : 944,631 = 944,631 : x
  2. Step 2: Convert to fraction form
    621,654/944,631 = 944,631/x
  3. Step 3: Cross multiply
    621,654x = 944,631 × 944,631
  4. Step 4: Simplify right side
    621,654x = 892,327,726,161
  5. Step 5: Solve for x
    x = 892,327,726,161/621,654
  6. Step 6: Final answer
    x = 1,435,408.97

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.