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Finding the Third Proportional to 13,632 and 19,288

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Solution

The third proportional to 13,632 and 19,288 is: 27,290.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632 : 19,288 = 19,288 : x
  2. Step 2: Convert to fraction form
    13,632/19,288 = 19,288/x
  3. Step 3: Cross multiply
    13,632x = 19,288 × 19,288
  4. Step 4: Simplify right side
    13,632x = 372,026,944
  5. Step 5: Solve for x
    x = 372,026,944/13,632
  6. Step 6: Final answer
    x = 27,290.71

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.