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Finding the Third Proportional to 1,481.25 and 3,212.25

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Solution

The third proportional to 1,481.25 and 3,212.25 is: 6,966.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.25 : 3,212.25 = 3,212.25 : x
  2. Step 2: Convert to fraction form
    1,481.25/3,212.25 = 3,212.25/x
  3. Step 3: Cross multiply
    1,481.25x = 3,212.25 × 3,212.25
  4. Step 4: Simplify right side
    1,481.25x = 10,318,550.06
  5. Step 5: Solve for x
    x = 10,318,550.06/1,481.25
  6. Step 6: Final answer
    x = 6,966.11

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.