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Finding the Third Proportional to 3,188 and 6,839.50

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Solution

The third proportional to 3,188 and 6,839.50 is: 14,673.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188 : 6,839.50 = 6,839.50 : x
  2. Step 2: Convert to fraction form
    3,188/6,839.50 = 6,839.50/x
  3. Step 3: Cross multiply
    3,188x = 6,839.50 × 6,839.50
  4. Step 4: Simplify right side
    3,188x = 46,778,760.25
  5. Step 5: Solve for x
    x = 46,778,760.25/3,188
  6. Step 6: Final answer
    x = 14,673.39

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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.