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Finding the Third Proportional to 13,745 and 28,081

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Solution

The third proportional to 13,745 and 28,081 is: 57,369.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745 : 28,081 = 28,081 : x
  2. Step 2: Convert to fraction form
    13,745/28,081 = 28,081/x
  3. Step 3: Cross multiply
    13,745x = 28,081 × 28,081
  4. Step 4: Simplify right side
    13,745x = 788,542,561
  5. Step 5: Solve for x
    x = 788,542,561/13,745
  6. Step 6: Final answer
    x = 57,369.41

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.