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Finding the Third Proportional to 3,399 and 7,160.25

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Solution

The third proportional to 3,399 and 7,160.25 is: 15,083.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399 : 7,160.25 = 7,160.25 : x
  2. Step 2: Convert to fraction form
    3,399/7,160.25 = 7,160.25/x
  3. Step 3: Cross multiply
    3,399x = 7,160.25 × 7,160.25
  4. Step 4: Simplify right side
    3,399x = 51,269,180.06
  5. Step 5: Solve for x
    x = 51,269,180.06/3,399
  6. Step 6: Final answer
    x = 15,083.61

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.