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Finding the Third Proportional to 16,650.56 and 36,120.94

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Solution

The third proportional to 16,650.56 and 36,120.94 is: 78,359.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,650.56 : 36,120.94 = 36,120.94 : x
  2. Step 2: Convert to fraction form
    16,650.56/36,120.94 = 36,120.94/x
  3. Step 3: Cross multiply
    16,650.56x = 36,120.94 × 36,120.94
  4. Step 4: Simplify right side
    16,650.56x = 1,304,722,125.88
  5. Step 5: Solve for x
    x = 1,304,722,125.88/16,650.56
  6. Step 6: Final answer
    x = 78,359.04

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.