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Finding the Third Proportional to 16,872.75 and 26,193.38

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Solution

The third proportional to 16,872.75 and 26,193.38 is: 40,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,872.75 : 26,193.38 = 26,193.38 : x
  2. Step 2: Convert to fraction form
    16,872.75/26,193.38 = 26,193.38/x
  3. Step 3: Cross multiply
    16,872.75x = 26,193.38 × 26,193.38
  4. Step 4: Simplify right side
    16,872.75x = 686,092,893.89
  5. Step 5: Solve for x
    x = 686,092,893.89/16,872.75
  6. Step 6: Final answer
    x = 40,662.78

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.