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Finding the Third Proportional to 14,885 and 20,410

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Solution

The third proportional to 14,885 and 20,410 is: 27,985.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,885 : 20,410 = 20,410 : x
  2. Step 2: Convert to fraction form
    14,885/20,410 = 20,410/x
  3. Step 3: Cross multiply
    14,885x = 20,410 × 20,410
  4. Step 4: Simplify right side
    14,885x = 416,568,100
  5. Step 5: Solve for x
    x = 416,568,100/14,885
  6. Step 6: Final answer
    x = 27,985.76

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.