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Finding the Third Proportional to 13,600 and 18,760

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Solution

The third proportional to 13,600 and 18,760 is: 25,877.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600 : 18,760 = 18,760 : x
  2. Step 2: Convert to fraction form
    13,600/18,760 = 18,760/x
  3. Step 3: Cross multiply
    13,600x = 18,760 × 18,760
  4. Step 4: Simplify right side
    13,600x = 351,937,600
  5. Step 5: Solve for x
    x = 351,937,600/13,600
  6. Step 6: Final answer
    x = 25,877.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.