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Finding the Third Proportional to 3,408,540.75 and 7,458,509.25

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Solution

The third proportional to 3,408,540.75 and 7,458,509.25 is: 16,320,579.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408,540.75 : 7,458,509.25 = 7,458,509.25 : x
  2. Step 2: Convert to fraction form
    3,408,540.75/7,458,509.25 = 7,458,509.25/x
  3. Step 3: Cross multiply
    3,408,540.75x = 7,458,509.25 × 7,458,509.25
  4. Step 4: Simplify right side
    3,408,540.75x = 55,629,360,232,335.56
  5. Step 5: Solve for x
    x = 55,629,360,232,335.56/3,408,540.75
  6. Step 6: Final answer
    x = 16,320,579.48

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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.