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Finding the Third Proportional to 2,007 and 2,149

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Solution

The third proportional to 2,007 and 2,149 is: 2,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007 : 2,149 = 2,149 : x
  2. Step 2: Convert to fraction form
    2,007/2,149 = 2,149/x
  3. Step 3: Cross multiply
    2,007x = 2,149 × 2,149
  4. Step 4: Simplify right side
    2,007x = 4,618,201
  5. Step 5: Solve for x
    x = 4,618,201/2,007
  6. Step 6: Final answer
    x = 2,301.05

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Why These Related Problems?

These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.