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Finding the Third Proportional to 12,016 and 18,816

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Solution

The third proportional to 12,016 and 18,816 is: 29,464.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016 : 18,816 = 18,816 : x
  2. Step 2: Convert to fraction form
    12,016/18,816 = 18,816/x
  3. Step 3: Cross multiply
    12,016x = 18,816 × 18,816
  4. Step 4: Simplify right side
    12,016x = 354,041,856
  5. Step 5: Solve for x
    x = 354,041,856/12,016
  6. Step 6: Final answer
    x = 29,464.20

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.