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Finding the Third Proportional to 13,008 and 15,824

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Solution

The third proportional to 13,008 and 15,824 is: 19,249.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008 : 15,824 = 15,824 : x
  2. Step 2: Convert to fraction form
    13,008/15,824 = 15,824/x
  3. Step 3: Cross multiply
    13,008x = 15,824 × 15,824
  4. Step 4: Simplify right side
    13,008x = 250,398,976
  5. Step 5: Solve for x
    x = 250,398,976/13,008
  6. Step 6: Final answer
    x = 19,249.61

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.