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Finding the Third Proportional to 16,872.19 and 36,922.38

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Solution

The third proportional to 16,872.19 and 36,922.38 is: 80,799.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,872.19 : 36,922.38 = 36,922.38 : x
  2. Step 2: Convert to fraction form
    16,872.19/36,922.38 = 36,922.38/x
  3. Step 3: Cross multiply
    16,872.19x = 36,922.38 × 36,922.38
  4. Step 4: Simplify right side
    16,872.19x = 1,363,261,775.64
  5. Step 5: Solve for x
    x = 1,363,261,775.64/16,872.19
  6. Step 6: Final answer
    x = 80,799.35

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.