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Finding the Third Proportional to 13,666 and 18,546

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Solution

The third proportional to 13,666 and 18,546 is: 25,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,666 : 18,546 = 18,546 : x
  2. Step 2: Convert to fraction form
    13,666/18,546 = 18,546/x
  3. Step 3: Cross multiply
    13,666x = 18,546 × 18,546
  4. Step 4: Simplify right side
    13,666x = 343,954,116
  5. Step 5: Solve for x
    x = 343,954,116/13,666
  6. Step 6: Final answer
    x = 25,168.60

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.