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Finding the Third Proportional to 13,744 and 21,177

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Solution

The third proportional to 13,744 and 21,177 is: 32,629.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744 : 21,177 = 21,177 : x
  2. Step 2: Convert to fraction form
    13,744/21,177 = 21,177/x
  3. Step 3: Cross multiply
    13,744x = 21,177 × 21,177
  4. Step 4: Simplify right side
    13,744x = 448,465,329
  5. Step 5: Solve for x
    x = 448,465,329/13,744
  6. Step 6: Final answer
    x = 32,629.90

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.