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Finding the Third Proportional to 3,243.38 and 6,716.25

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Solution

The third proportional to 3,243.38 and 6,716.25 is: 13,907.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.38 : 6,716.25 = 6,716.25 : x
  2. Step 2: Convert to fraction form
    3,243.38/6,716.25 = 6,716.25/x
  3. Step 3: Cross multiply
    3,243.38x = 6,716.25 × 6,716.25
  4. Step 4: Simplify right side
    3,243.38x = 45,108,014.06
  5. Step 5: Solve for x
    x = 45,108,014.06/3,243.38
  6. Step 6: Final answer
    x = 13,907.74

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.