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Finding the Third Proportional to 16,002 and 18,702

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Solution

The third proportional to 16,002 and 18,702 is: 21,857.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,002 : 18,702 = 18,702 : x
  2. Step 2: Convert to fraction form
    16,002/18,702 = 18,702/x
  3. Step 3: Cross multiply
    16,002x = 18,702 × 18,702
  4. Step 4: Simplify right side
    16,002x = 349,764,804
  5. Step 5: Solve for x
    x = 349,764,804/16,002
  6. Step 6: Final answer
    x = 21,857.57

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Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.