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Finding the Third Proportional to 6,409.13 and 13,329.56

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Solution

The third proportional to 6,409.13 and 13,329.56 is: 27,722.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,409.13 : 13,329.56 = 13,329.56 : x
  2. Step 2: Convert to fraction form
    6,409.13/13,329.56 = 13,329.56/x
  3. Step 3: Cross multiply
    6,409.13x = 13,329.56 × 13,329.56
  4. Step 4: Simplify right side
    6,409.13x = 177,677,236.44
  5. Step 5: Solve for x
    x = 177,677,236.44/6,409.13
  6. Step 6: Final answer
    x = 27,722.54

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.