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Finding the Third Proportional to 18,838 and 27,549

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Solution

The third proportional to 18,838 and 27,549 is: 40,288.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838 : 27,549 = 27,549 : x
  2. Step 2: Convert to fraction form
    18,838/27,549 = 27,549/x
  3. Step 3: Cross multiply
    18,838x = 27,549 × 27,549
  4. Step 4: Simplify right side
    18,838x = 758,947,401
  5. Step 5: Solve for x
    x = 758,947,401/18,838
  6. Step 6: Final answer
    x = 40,288.11

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.