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Finding the Third Proportional to 2,622 and 3,385

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Solution

The third proportional to 2,622 and 3,385 is: 4,370.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622 : 3,385 = 3,385 : x
  2. Step 2: Convert to fraction form
    2,622/3,385 = 3,385/x
  3. Step 3: Cross multiply
    2,622x = 3,385 × 3,385
  4. Step 4: Simplify right side
    2,622x = 11,458,225
  5. Step 5: Solve for x
    x = 11,458,225/2,622
  6. Step 6: Final answer
    x = 4,370.03

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Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.