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Finding the Third Proportional to 3,405,272.06 and 7,408,413.56

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Solution

The third proportional to 3,405,272.06 and 7,408,413.56 is: 16,117,534.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405,272.06 : 7,408,413.56 = 7,408,413.56 : x
  2. Step 2: Convert to fraction form
    3,405,272.06/7,408,413.56 = 7,408,413.56/x
  3. Step 3: Cross multiply
    3,405,272.06x = 7,408,413.56 × 7,408,413.56
  4. Step 4: Simplify right side
    3,405,272.06x = 54,884,591,513,033.94
  5. Step 5: Solve for x
    x = 54,884,591,513,033.94/3,405,272.06
  6. Step 6: Final answer
    x = 16,117,534.96

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.