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Finding the Third Proportional to 6,726 and 12,399

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Solution

The third proportional to 6,726 and 12,399 is: 22,856.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,726 : 12,399 = 12,399 : x
  2. Step 2: Convert to fraction form
    6,726/12,399 = 12,399/x
  3. Step 3: Cross multiply
    6,726x = 12,399 × 12,399
  4. Step 4: Simplify right side
    6,726x = 153,735,201
  5. Step 5: Solve for x
    x = 153,735,201/6,726
  6. Step 6: Final answer
    x = 22,856.85

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Why These Related Problems?

These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.