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Finding the Third Proportional to 8,893.50 and 20,589

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Solution

The third proportional to 8,893.50 and 20,589 is: 47,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.50 : 20,589 = 20,589 : x
  2. Step 2: Convert to fraction form
    8,893.50/20,589 = 20,589/x
  3. Step 3: Cross multiply
    8,893.50x = 20,589 × 20,589
  4. Step 4: Simplify right side
    8,893.50x = 423,906,921
  5. Step 5: Solve for x
    x = 423,906,921/8,893.50
  6. Step 6: Final answer
    x = 47,664.80

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.