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Finding the Third Proportional to 12,692 and 18,446

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Solution

The third proportional to 12,692 and 18,446 is: 26,808.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,692 : 18,446 = 18,446 : x
  2. Step 2: Convert to fraction form
    12,692/18,446 = 18,446/x
  3. Step 3: Cross multiply
    12,692x = 18,446 × 18,446
  4. Step 4: Simplify right side
    12,692x = 340,254,916
  5. Step 5: Solve for x
    x = 340,254,916/12,692
  6. Step 6: Final answer
    x = 26,808.61

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.