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Finding the Third Proportional to 6,623 and 12,427

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Solution

The third proportional to 6,623 and 12,427 is: 23,317.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623 : 12,427 = 12,427 : x
  2. Step 2: Convert to fraction form
    6,623/12,427 = 12,427/x
  3. Step 3: Cross multiply
    6,623x = 12,427 × 12,427
  4. Step 4: Simplify right side
    6,623x = 154,430,329
  5. Step 5: Solve for x
    x = 154,430,329/6,623
  6. Step 6: Final answer
    x = 23,317.28

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Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.