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Finding the Third Proportional to 3,188 and 6,984

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Solution

The third proportional to 3,188 and 6,984 is: 15,299.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188 : 6,984 = 6,984 : x
  2. Step 2: Convert to fraction form
    3,188/6,984 = 6,984/x
  3. Step 3: Cross multiply
    3,188x = 6,984 × 6,984
  4. Step 4: Simplify right side
    3,188x = 48,776,256
  5. Step 5: Solve for x
    x = 48,776,256/3,188
  6. Step 6: Final answer
    x = 15,299.95

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.