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Finding the Third Proportional to 13,904 and 18,328

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Solution

The third proportional to 13,904 and 18,328 is: 24,159.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904 : 18,328 = 18,328 : x
  2. Step 2: Convert to fraction form
    13,904/18,328 = 18,328/x
  3. Step 3: Cross multiply
    13,904x = 18,328 × 18,328
  4. Step 4: Simplify right side
    13,904x = 335,915,584
  5. Step 5: Solve for x
    x = 335,915,584/13,904
  6. Step 6: Final answer
    x = 24,159.64

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.