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Finding the Third Proportional to 3,110 and 4,999

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Solution

The third proportional to 3,110 and 4,999 is: 8,035.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110 : 4,999 = 4,999 : x
  2. Step 2: Convert to fraction form
    3,110/4,999 = 4,999/x
  3. Step 3: Cross multiply
    3,110x = 4,999 × 4,999
  4. Step 4: Simplify right side
    3,110x = 24,990,001
  5. Step 5: Solve for x
    x = 24,990,001/3,110
  6. Step 6: Final answer
    x = 8,035.37

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.