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Finding the Third Proportional to 6,351.75 and 13,721.06

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Solution

The third proportional to 6,351.75 and 13,721.06 is: 29,640.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,351.75 : 13,721.06 = 13,721.06 : x
  2. Step 2: Convert to fraction form
    6,351.75/13,721.06 = 13,721.06/x
  3. Step 3: Cross multiply
    6,351.75x = 13,721.06 × 13,721.06
  4. Step 4: Simplify right side
    6,351.75x = 188,267,556.13
  5. Step 5: Solve for x
    x = 188,267,556.13/6,351.75
  6. Step 6: Final answer
    x = 29,640.27

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.