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Finding the Third Proportional to 11,043 and 18,036

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Solution

The third proportional to 11,043 and 18,036 is: 29,457.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,043 : 18,036 = 18,036 : x
  2. Step 2: Convert to fraction form
    11,043/18,036 = 18,036/x
  3. Step 3: Cross multiply
    11,043x = 18,036 × 18,036
  4. Step 4: Simplify right side
    11,043x = 325,297,296
  5. Step 5: Solve for x
    x = 325,297,296/11,043
  6. Step 6: Final answer
    x = 29,457.33

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.