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Finding the Third Proportional to 18,168 and 28,064

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Solution

The third proportional to 18,168 and 28,064 is: 43,350.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,168 : 28,064 = 28,064 : x
  2. Step 2: Convert to fraction form
    18,168/28,064 = 28,064/x
  3. Step 3: Cross multiply
    18,168x = 28,064 × 28,064
  4. Step 4: Simplify right side
    18,168x = 787,588,096
  5. Step 5: Solve for x
    x = 787,588,096/18,168
  6. Step 6: Final answer
    x = 43,350.29

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.