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Finding the Third Proportional to 4,338 and 9,221.06

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Solution

The third proportional to 4,338 and 9,221.06 is: 19,600.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,338 : 9,221.06 = 9,221.06 : x
  2. Step 2: Convert to fraction form
    4,338/9,221.06 = 9,221.06/x
  3. Step 3: Cross multiply
    4,338x = 9,221.06 × 9,221.06
  4. Step 4: Simplify right side
    4,338x = 85,027,993.63
  5. Step 5: Solve for x
    x = 85,027,993.63/4,338
  6. Step 6: Final answer
    x = 19,600.74

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.