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Finding the Third Proportional to 4,919 and 10,826

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Solution

The third proportional to 4,919 and 10,826 is: 23,826.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919 : 10,826 = 10,826 : x
  2. Step 2: Convert to fraction form
    4,919/10,826 = 10,826/x
  3. Step 3: Cross multiply
    4,919x = 10,826 × 10,826
  4. Step 4: Simplify right side
    4,919x = 117,202,276
  5. Step 5: Solve for x
    x = 117,202,276/4,919
  6. Step 6: Final answer
    x = 23,826.44

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.