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Finding the Third Proportional to 6,722 and 14,644

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Solution

The third proportional to 6,722 and 14,644 is: 31,902.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722 : 14,644 = 14,644 : x
  2. Step 2: Convert to fraction form
    6,722/14,644 = 14,644/x
  3. Step 3: Cross multiply
    6,722x = 14,644 × 14,644
  4. Step 4: Simplify right side
    6,722x = 214,446,736
  5. Step 5: Solve for x
    x = 214,446,736/6,722
  6. Step 6: Final answer
    x = 31,902.22

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.