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Finding the Third Proportional to 16,658.79 and 36,694.90

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Solution

The third proportional to 16,658.79 and 36,694.90 is: 80,829.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,658.79 : 36,694.90 = 36,694.90 : x
  2. Step 2: Convert to fraction form
    16,658.79/36,694.90 = 36,694.90/x
  3. Step 3: Cross multiply
    16,658.79x = 36,694.90 × 36,694.90
  4. Step 4: Simplify right side
    16,658.79x = 1,346,515,571.34
  5. Step 5: Solve for x
    x = 1,346,515,571.34/16,658.79
  6. Step 6: Final answer
    x = 80,829.14

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.