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Finding the Third Proportional to 5,912 and 12,427

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Solution

The third proportional to 5,912 and 12,427 is: 26,121.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912 : 12,427 = 12,427 : x
  2. Step 2: Convert to fraction form
    5,912/12,427 = 12,427/x
  3. Step 3: Cross multiply
    5,912x = 12,427 × 12,427
  4. Step 4: Simplify right side
    5,912x = 154,430,329
  5. Step 5: Solve for x
    x = 154,430,329/5,912
  6. Step 6: Final answer
    x = 26,121.50

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.