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Finding the Third Proportional to 16,923 and 37,220

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Solution

The third proportional to 16,923 and 37,220 is: 81,860.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,923 : 37,220 = 37,220 : x
  2. Step 2: Convert to fraction form
    16,923/37,220 = 37,220/x
  3. Step 3: Cross multiply
    16,923x = 37,220 × 37,220
  4. Step 4: Simplify right side
    16,923x = 1,385,328,400
  5. Step 5: Solve for x
    x = 1,385,328,400/16,923
  6. Step 6: Final answer
    x = 81,860.69

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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.