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Finding the Third Proportional to 2,736 and 6,436

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Solution

The third proportional to 2,736 and 6,436 is: 15,139.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736 : 6,436 = 6,436 : x
  2. Step 2: Convert to fraction form
    2,736/6,436 = 6,436/x
  3. Step 3: Cross multiply
    2,736x = 6,436 × 6,436
  4. Step 4: Simplify right side
    2,736x = 41,422,096
  5. Step 5: Solve for x
    x = 41,422,096/2,736
  6. Step 6: Final answer
    x = 15,139.65

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.