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Finding the Third Proportional to 16,434.54 and 36,220.85

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Solution

The third proportional to 16,434.54 and 36,220.85 is: 79,828.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,434.54 : 36,220.85 = 36,220.85 : x
  2. Step 2: Convert to fraction form
    16,434.54/36,220.85 = 36,220.85/x
  3. Step 3: Cross multiply
    16,434.54x = 36,220.85 × 36,220.85
  4. Step 4: Simplify right side
    16,434.54x = 1,311,950,167.50
  5. Step 5: Solve for x
    x = 1,311,950,167.50/16,434.54
  6. Step 6: Final answer
    x = 79,828.85

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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.