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Finding the Third Proportional to 18,850 and 27,168

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Solution

The third proportional to 18,850 and 27,168 is: 39,156.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850 : 27,168 = 27,168 : x
  2. Step 2: Convert to fraction form
    18,850/27,168 = 27,168/x
  3. Step 3: Cross multiply
    18,850x = 27,168 × 27,168
  4. Step 4: Simplify right side
    18,850x = 738,100,224
  5. Step 5: Solve for x
    x = 738,100,224/18,850
  6. Step 6: Final answer
    x = 39,156.51

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.