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Finding the Third Proportional to 18,444.75 and 39,576.75

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Solution

The third proportional to 18,444.75 and 39,576.75 is: 84,919.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,444.75 : 39,576.75 = 39,576.75 : x
  2. Step 2: Convert to fraction form
    18,444.75/39,576.75 = 39,576.75/x
  3. Step 3: Cross multiply
    18,444.75x = 39,576.75 × 39,576.75
  4. Step 4: Simplify right side
    18,444.75x = 1,566,319,140.56
  5. Step 5: Solve for x
    x = 1,566,319,140.56/18,444.75
  6. Step 6: Final answer
    x = 84,919.51

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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.