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Finding the Third Proportional to 621,733 and 1,361,837

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Solution

The third proportional to 621,733 and 1,361,837 is: 2,982,952.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,733 : 1,361,837 = 1,361,837 : x
  2. Step 2: Convert to fraction form
    621,733/1,361,837 = 1,361,837/x
  3. Step 3: Cross multiply
    621,733x = 1,361,837 × 1,361,837
  4. Step 4: Simplify right side
    621,733x = 1,854,600,014,569
  5. Step 5: Solve for x
    x = 1,854,600,014,569/621,733
  6. Step 6: Final answer
    x = 2,982,952.51

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.