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Finding the Third Proportional to 20,338.91 and 43,799.80

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Solution

The third proportional to 20,338.91 and 43,799.80 is: 94,322.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,338.91 : 43,799.80 = 43,799.80 : x
  2. Step 2: Convert to fraction form
    20,338.91/43,799.80 = 43,799.80/x
  3. Step 3: Cross multiply
    20,338.91x = 43,799.80 × 43,799.80
  4. Step 4: Simplify right side
    20,338.91x = 1,918,422,548.48
  5. Step 5: Solve for x
    x = 1,918,422,548.48/20,338.91
  6. Step 6: Final answer
    x = 94,322.78

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.