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Finding the Third Proportional to 12,436.66 and 18,481.29

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Solution

The third proportional to 12,436.66 and 18,481.29 is: 27,463.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.66 : 18,481.29 = 18,481.29 : x
  2. Step 2: Convert to fraction form
    12,436.66/18,481.29 = 18,481.29/x
  3. Step 3: Cross multiply
    12,436.66x = 18,481.29 × 18,481.29
  4. Step 4: Simplify right side
    12,436.66x = 341,558,045.41
  5. Step 5: Solve for x
    x = 341,558,045.41/12,436.66
  6. Step 6: Final answer
    x = 27,463.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.