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Finding the Third Proportional to 18,211.88 and 39,294.75

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Solution

The third proportional to 18,211.88 and 39,294.75 is: 84,784.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211.88 : 39,294.75 = 39,294.75 : x
  2. Step 2: Convert to fraction form
    18,211.88/39,294.75 = 39,294.75/x
  3. Step 3: Cross multiply
    18,211.88x = 39,294.75 × 39,294.75
  4. Step 4: Simplify right side
    18,211.88x = 1,544,077,377.56
  5. Step 5: Solve for x
    x = 1,544,077,377.56/18,211.88
  6. Step 6: Final answer
    x = 84,784.10

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.