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Finding the Third Proportional to 1,533 and 2,245

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Solution

The third proportional to 1,533 and 2,245 is: 3,287.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533 : 2,245 = 2,245 : x
  2. Step 2: Convert to fraction form
    1,533/2,245 = 2,245/x
  3. Step 3: Cross multiply
    1,533x = 2,245 × 2,245
  4. Step 4: Simplify right side
    1,533x = 5,040,025
  5. Step 5: Solve for x
    x = 5,040,025/1,533
  6. Step 6: Final answer
    x = 3,287.69

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.