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Finding the Third Proportional to 18,635.06 and 39,576.73

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Solution

The third proportional to 18,635.06 and 39,576.73 is: 84,052.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,635.06 : 39,576.73 = 39,576.73 : x
  2. Step 2: Convert to fraction form
    18,635.06/39,576.73 = 39,576.73/x
  3. Step 3: Cross multiply
    18,635.06x = 39,576.73 × 39,576.73
  4. Step 4: Simplify right side
    18,635.06x = 1,566,317,285.40
  5. Step 5: Solve for x
    x = 1,566,317,285.40/18,635.06
  6. Step 6: Final answer
    x = 84,052.16

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.