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Finding the Third Proportional to 14,085 and 21,183

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Solution

The third proportional to 14,085 and 21,183 is: 31,857.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,085 : 21,183 = 21,183 : x
  2. Step 2: Convert to fraction form
    14,085/21,183 = 21,183/x
  3. Step 3: Cross multiply
    14,085x = 21,183 × 21,183
  4. Step 4: Simplify right side
    14,085x = 448,719,489
  5. Step 5: Solve for x
    x = 448,719,489/14,085
  6. Step 6: Final answer
    x = 31,857.97

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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.