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Finding the Third Proportional to 2,819 and 5,008

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Solution

The third proportional to 2,819 and 5,008 is: 8,896.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819 : 5,008 = 5,008 : x
  2. Step 2: Convert to fraction form
    2,819/5,008 = 5,008/x
  3. Step 3: Cross multiply
    2,819x = 5,008 × 5,008
  4. Step 4: Simplify right side
    2,819x = 25,080,064
  5. Step 5: Solve for x
    x = 25,080,064/2,819
  6. Step 6: Final answer
    x = 8,896.79

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.