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Finding the Third Proportional to 6,634.50 and 11,851.50

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Solution

The third proportional to 6,634.50 and 11,851.50 is: 21,170.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,634.50 : 11,851.50 = 11,851.50 : x
  2. Step 2: Convert to fraction form
    6,634.50/11,851.50 = 11,851.50/x
  3. Step 3: Cross multiply
    6,634.50x = 11,851.50 × 11,851.50
  4. Step 4: Simplify right side
    6,634.50x = 140,458,052.25
  5. Step 5: Solve for x
    x = 140,458,052.25/6,634.50
  6. Step 6: Final answer
    x = 21,170.86

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Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.