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Finding the Third Proportional to 3,345 and 5,244

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Solution

The third proportional to 3,345 and 5,244 is: 8,221.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345 : 5,244 = 5,244 : x
  2. Step 2: Convert to fraction form
    3,345/5,244 = 5,244/x
  3. Step 3: Cross multiply
    3,345x = 5,244 × 5,244
  4. Step 4: Simplify right side
    3,345x = 27,499,536
  5. Step 5: Solve for x
    x = 27,499,536/3,345
  6. Step 6: Final answer
    x = 8,221.09

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.