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Finding the Third Proportional to 13,888 and 18,848

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Solution

The third proportional to 13,888 and 18,848 is: 25,579.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888 : 18,848 = 18,848 : x
  2. Step 2: Convert to fraction form
    13,888/18,848 = 18,848/x
  3. Step 3: Cross multiply
    13,888x = 18,848 × 18,848
  4. Step 4: Simplify right side
    13,888x = 355,247,104
  5. Step 5: Solve for x
    x = 355,247,104/13,888
  6. Step 6: Final answer
    x = 25,579.43

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.