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Finding the Third Proportional to 9,204.38 and 19,879.13

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Solution

The third proportional to 9,204.38 and 19,879.13 is: 42,933.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,204.38 : 19,879.13 = 19,879.13 : x
  2. Step 2: Convert to fraction form
    9,204.38/19,879.13 = 19,879.13/x
  3. Step 3: Cross multiply
    9,204.38x = 19,879.13 × 19,879.13
  4. Step 4: Simplify right side
    9,204.38x = 395,179,610.77
  5. Step 5: Solve for x
    x = 395,179,610.77/9,204.38
  6. Step 6: Final answer
    x = 42,933.89

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.