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Finding the Third Proportional to 2,969 and 4,287

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Solution

The third proportional to 2,969 and 4,287 is: 6,190.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,969 : 4,287 = 4,287 : x
  2. Step 2: Convert to fraction form
    2,969/4,287 = 4,287/x
  3. Step 3: Cross multiply
    2,969x = 4,287 × 4,287
  4. Step 4: Simplify right side
    2,969x = 18,378,369
  5. Step 5: Solve for x
    x = 18,378,369/2,969
  6. Step 6: Final answer
    x = 6,190.09

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.