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Finding the Third Proportional to 6,728.06 and 11,618.44

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Solution

The third proportional to 6,728.06 and 11,618.44 is: 20,063.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728.06 : 11,618.44 = 11,618.44 : x
  2. Step 2: Convert to fraction form
    6,728.06/11,618.44 = 11,618.44/x
  3. Step 3: Cross multiply
    6,728.06x = 11,618.44 × 11,618.44
  4. Step 4: Simplify right side
    6,728.06x = 134,988,089.94
  5. Step 5: Solve for x
    x = 134,988,089.94/6,728.06
  6. Step 6: Final answer
    x = 20,063.44

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Why These Related Problems?

These problems maintain the same ratio (1.73) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.