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Finding the Third Proportional to 18,240 and 29,096

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Solution

The third proportional to 18,240 and 29,096 is: 46,413.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240 : 29,096 = 29,096 : x
  2. Step 2: Convert to fraction form
    18,240/29,096 = 29,096/x
  3. Step 3: Cross multiply
    18,240x = 29,096 × 29,096
  4. Step 4: Simplify right side
    18,240x = 846,577,216
  5. Step 5: Solve for x
    x = 846,577,216/18,240
  6. Step 6: Final answer
    x = 46,413.22

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.