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Finding the Third Proportional to 30,793 and 66,190.25

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Solution

The third proportional to 30,793 and 66,190.25 is: 142,277.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,793 : 66,190.25 = 66,190.25 : x
  2. Step 2: Convert to fraction form
    30,793/66,190.25 = 66,190.25/x
  3. Step 3: Cross multiply
    30,793x = 66,190.25 × 66,190.25
  4. Step 4: Simplify right side
    30,793x = 4,381,149,195.06
  5. Step 5: Solve for x
    x = 4,381,149,195.06/30,793
  6. Step 6: Final answer
    x = 142,277.44

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.