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Finding the Third Proportional to 18,016 and 20,064

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Solution

The third proportional to 18,016 and 20,064 is: 22,344.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,016 : 20,064 = 20,064 : x
  2. Step 2: Convert to fraction form
    18,016/20,064 = 20,064/x
  3. Step 3: Cross multiply
    18,016x = 20,064 × 20,064
  4. Step 4: Simplify right side
    18,016x = 402,564,096
  5. Step 5: Solve for x
    x = 402,564,096/18,016
  6. Step 6: Final answer
    x = 22,344.81

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.