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Finding the Third Proportional to 18,316 and 27,401

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Solution

The third proportional to 18,316 and 27,401 is: 40,992.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,316 : 27,401 = 27,401 : x
  2. Step 2: Convert to fraction form
    18,316/27,401 = 27,401/x
  3. Step 3: Cross multiply
    18,316x = 27,401 × 27,401
  4. Step 4: Simplify right side
    18,316x = 750,814,801
  5. Step 5: Solve for x
    x = 750,814,801/18,316
  6. Step 6: Final answer
    x = 40,992.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.