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Finding the Third Proportional to 889,721 and 2,099,413.50

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Solution

The third proportional to 889,721 and 2,099,413.50 is: 4,953,841.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,721 : 2,099,413.50 = 2,099,413.50 : x
  2. Step 2: Convert to fraction form
    889,721/2,099,413.50 = 2,099,413.50/x
  3. Step 3: Cross multiply
    889,721x = 2,099,413.50 × 2,099,413.50
  4. Step 4: Simplify right side
    889,721x = 4,407,537,043,982.25
  5. Step 5: Solve for x
    x = 4,407,537,043,982.25/889,721
  6. Step 6: Final answer
    x = 4,953,841.76

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.