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Finding the Third Proportional to 12,114 and 18,243

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Solution

The third proportional to 12,114 and 18,243 is: 27,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,114 : 18,243 = 18,243 : x
  2. Step 2: Convert to fraction form
    12,114/18,243 = 18,243/x
  3. Step 3: Cross multiply
    12,114x = 18,243 × 18,243
  4. Step 4: Simplify right side
    12,114x = 332,807,049
  5. Step 5: Solve for x
    x = 332,807,049/12,114
  6. Step 6: Final answer
    x = 27,472.93

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.