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Finding the Third Proportional to 7,826 and 11,427

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Solution

The third proportional to 7,826 and 11,427 is: 16,684.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826 : 11,427 = 11,427 : x
  2. Step 2: Convert to fraction form
    7,826/11,427 = 11,427/x
  3. Step 3: Cross multiply
    7,826x = 11,427 × 11,427
  4. Step 4: Simplify right side
    7,826x = 130,576,329
  5. Step 5: Solve for x
    x = 130,576,329/7,826
  6. Step 6: Final answer
    x = 16,684.94

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.