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Finding the Third Proportional to 14,009 and 21,692

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Solution

The third proportional to 14,009 and 21,692 is: 33,588.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009 : 21,692 = 21,692 : x
  2. Step 2: Convert to fraction form
    14,009/21,692 = 21,692/x
  3. Step 3: Cross multiply
    14,009x = 21,692 × 21,692
  4. Step 4: Simplify right side
    14,009x = 470,542,864
  5. Step 5: Solve for x
    x = 470,542,864/14,009
  6. Step 6: Final answer
    x = 33,588.61

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.