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Finding the Third Proportional to 3,190.22 and 6,759.28

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Solution

The third proportional to 3,190.22 and 6,759.28 is: 14,321.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.22 : 6,759.28 = 6,759.28 : x
  2. Step 2: Convert to fraction form
    3,190.22/6,759.28 = 6,759.28/x
  3. Step 3: Cross multiply
    3,190.22x = 6,759.28 × 6,759.28
  4. Step 4: Simplify right side
    3,190.22x = 45,687,883.02
  5. Step 5: Solve for x
    x = 45,687,883.02/3,190.22
  6. Step 6: Final answer
    x = 14,321.24

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.