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Finding the Third Proportional to 18,105.75 and 28,162.13

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Solution

The third proportional to 18,105.75 and 28,162.13 is: 43,804.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,105.75 : 28,162.13 = 28,162.13 : x
  2. Step 2: Convert to fraction form
    18,105.75/28,162.13 = 28,162.13/x
  3. Step 3: Cross multiply
    18,105.75x = 28,162.13 × 28,162.13
  4. Step 4: Simplify right side
    18,105.75x = 793,105,284.52
  5. Step 5: Solve for x
    x = 793,105,284.52/18,105.75
  6. Step 6: Final answer
    x = 43,804.06

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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.