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Finding the Third Proportional to 8,844 and 19,920

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Solution

The third proportional to 8,844 and 19,920 is: 44,867.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,844 : 19,920 = 19,920 : x
  2. Step 2: Convert to fraction form
    8,844/19,920 = 19,920/x
  3. Step 3: Cross multiply
    8,844x = 19,920 × 19,920
  4. Step 4: Simplify right side
    8,844x = 396,806,400
  5. Step 5: Solve for x
    x = 396,806,400/8,844
  6. Step 6: Final answer
    x = 44,867.30

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Why These Related Problems?

These problems maintain the same ratio (2.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.