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Finding the Third Proportional to 11,238 and 12,246

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Solution

The third proportional to 11,238 and 12,246 is: 13,344.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238 : 12,246 = 12,246 : x
  2. Step 2: Convert to fraction form
    11,238/12,246 = 12,246/x
  3. Step 3: Cross multiply
    11,238x = 12,246 × 12,246
  4. Step 4: Simplify right side
    11,238x = 149,964,516
  5. Step 5: Solve for x
    x = 149,964,516/11,238
  6. Step 6: Final answer
    x = 13,344.41

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.