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Finding the Third Proportional to 8,616.94 and 18,600.19

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Solution

The third proportional to 8,616.94 and 18,600.19 is: 40,149.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,616.94 : 18,600.19 = 18,600.19 : x
  2. Step 2: Convert to fraction form
    8,616.94/18,600.19 = 18,600.19/x
  3. Step 3: Cross multiply
    8,616.94x = 18,600.19 × 18,600.19
  4. Step 4: Simplify right side
    8,616.94x = 345,966,975.04
  5. Step 5: Solve for x
    x = 345,966,975.04/8,616.94
  6. Step 6: Final answer
    x = 40,149.64

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.