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Finding the Third Proportional to 8,413.88 and 18,346.50

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Solution

The third proportional to 8,413.88 and 18,346.50 is: 40,004.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.88 : 18,346.50 = 18,346.50 : x
  2. Step 2: Convert to fraction form
    8,413.88/18,346.50 = 18,346.50/x
  3. Step 3: Cross multiply
    8,413.88x = 18,346.50 × 18,346.50
  4. Step 4: Simplify right side
    8,413.88x = 336,594,062.25
  5. Step 5: Solve for x
    x = 336,594,062.25/8,413.88
  6. Step 6: Final answer
    x = 40,004.64

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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.