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Finding the Third Proportional to 2,184 and 3,245

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Solution

The third proportional to 2,184 and 3,245 is: 4,821.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184 : 3,245 = 3,245 : x
  2. Step 2: Convert to fraction form
    2,184/3,245 = 3,245/x
  3. Step 3: Cross multiply
    2,184x = 3,245 × 3,245
  4. Step 4: Simplify right side
    2,184x = 10,530,025
  5. Step 5: Solve for x
    x = 10,530,025/2,184
  6. Step 6: Final answer
    x = 4,821.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.