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Finding the Third Proportional to 17,800.75 and 38,926

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Solution

The third proportional to 17,800.75 and 38,926 is: 85,121.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,800.75 : 38,926 = 38,926 : x
  2. Step 2: Convert to fraction form
    17,800.75/38,926 = 38,926/x
  3. Step 3: Cross multiply
    17,800.75x = 38,926 × 38,926
  4. Step 4: Simplify right side
    17,800.75x = 1,515,233,476
  5. Step 5: Solve for x
    x = 1,515,233,476/17,800.75
  6. Step 6: Final answer
    x = 85,121.89

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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.