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Finding the Third Proportional to 3,187 and 6,536

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Solution

The third proportional to 3,187 and 6,536 is: 13,404.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187 : 6,536 = 6,536 : x
  2. Step 2: Convert to fraction form
    3,187/6,536 = 6,536/x
  3. Step 3: Cross multiply
    3,187x = 6,536 × 6,536
  4. Step 4: Simplify right side
    3,187x = 42,719,296
  5. Step 5: Solve for x
    x = 42,719,296/3,187
  6. Step 6: Final answer
    x = 13,404.23

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.