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Finding the Third Proportional to 18,555.75 and 37,759.13

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Solution

The third proportional to 18,555.75 and 37,759.13 is: 76,836.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,555.75 : 37,759.13 = 37,759.13 : x
  2. Step 2: Convert to fraction form
    18,555.75/37,759.13 = 37,759.13/x
  3. Step 3: Cross multiply
    18,555.75x = 37,759.13 × 37,759.13
  4. Step 4: Simplify right side
    18,555.75x = 1,425,751,520.77
  5. Step 5: Solve for x
    x = 1,425,751,520.77/18,555.75
  6. Step 6: Final answer
    x = 76,836.10

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.