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Finding the Third Proportional to 4,979 and 10,837

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Solution

The third proportional to 4,979 and 10,837 is: 23,587.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979 : 10,837 = 10,837 : x
  2. Step 2: Convert to fraction form
    4,979/10,837 = 10,837/x
  3. Step 3: Cross multiply
    4,979x = 10,837 × 10,837
  4. Step 4: Simplify right side
    4,979x = 117,440,569
  5. Step 5: Solve for x
    x = 117,440,569/4,979
  6. Step 6: Final answer
    x = 23,587.18

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.