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Finding the Third Proportional to 3,218.06 and 6,882.47

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Solution

The third proportional to 3,218.06 and 6,882.47 is: 14,719.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.06 : 6,882.47 = 6,882.47 : x
  2. Step 2: Convert to fraction form
    3,218.06/6,882.47 = 6,882.47/x
  3. Step 3: Cross multiply
    3,218.06x = 6,882.47 × 6,882.47
  4. Step 4: Simplify right side
    3,218.06x = 47,368,376.09
  5. Step 5: Solve for x
    x = 47,368,376.09/3,218.06
  6. Step 6: Final answer
    x = 14,719.53

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.