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Finding the Third Proportional to 6,685.03 and 11,242.55

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Solution

The third proportional to 6,685.03 and 11,242.55 is: 18,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,685.03 : 11,242.55 = 11,242.55 : x
  2. Step 2: Convert to fraction form
    6,685.03/11,242.55 = 11,242.55/x
  3. Step 3: Cross multiply
    6,685.03x = 11,242.55 × 11,242.55
  4. Step 4: Simplify right side
    6,685.03x = 126,394,860.24
  5. Step 5: Solve for x
    x = 126,394,860.24/6,685.03
  6. Step 6: Final answer
    x = 18,907.15

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Why These Related Problems?

These problems maintain the same ratio (1.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.