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Finding the Third Proportional to 18,675.56 and 28,033.59

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Solution

The third proportional to 18,675.56 and 28,033.59 is: 42,080.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,675.56 : 28,033.59 = 28,033.59 : x
  2. Step 2: Convert to fraction form
    18,675.56/28,033.59 = 28,033.59/x
  3. Step 3: Cross multiply
    18,675.56x = 28,033.59 × 28,033.59
  4. Step 4: Simplify right side
    18,675.56x = 785,882,378.54
  5. Step 5: Solve for x
    x = 785,882,378.54/18,675.56
  6. Step 6: Final answer
    x = 42,080.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.