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Finding the Third Proportional to 13,854 and 22,161

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Solution

The third proportional to 13,854 and 22,161 is: 35,448.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854 : 22,161 = 22,161 : x
  2. Step 2: Convert to fraction form
    13,854/22,161 = 22,161/x
  3. Step 3: Cross multiply
    13,854x = 22,161 × 22,161
  4. Step 4: Simplify right side
    13,854x = 491,109,921
  5. Step 5: Solve for x
    x = 491,109,921/13,854
  6. Step 6: Final answer
    x = 35,448.96

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.