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Finding the Third Proportional to 3,392.51 and 5,453.26

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Solution

The third proportional to 3,392.51 and 5,453.26 is: 8,765.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.51 : 5,453.26 = 5,453.26 : x
  2. Step 2: Convert to fraction form
    3,392.51/5,453.26 = 5,453.26/x
  3. Step 3: Cross multiply
    3,392.51x = 5,453.26 × 5,453.26
  4. Step 4: Simplify right side
    3,392.51x = 29,738,063.37
  5. Step 5: Solve for x
    x = 29,738,063.37/3,392.51
  6. Step 6: Final answer
    x = 8,765.81

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.