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Finding the Third Proportional to 14,207 and 21,744

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Solution

The third proportional to 14,207 and 21,744 is: 33,279.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,207 : 21,744 = 21,744 : x
  2. Step 2: Convert to fraction form
    14,207/21,744 = 21,744/x
  3. Step 3: Cross multiply
    14,207x = 21,744 × 21,744
  4. Step 4: Simplify right side
    14,207x = 472,801,536
  5. Step 5: Solve for x
    x = 472,801,536/14,207
  6. Step 6: Final answer
    x = 33,279.48

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.