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Finding the Third Proportional to 188,237.25 and 276,078.38

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Solution

The third proportional to 188,237.25 and 276,078.38 is: 404,910.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,237.25 : 276,078.38 = 276,078.38 : x
  2. Step 2: Convert to fraction form
    188,237.25/276,078.38 = 276,078.38/x
  3. Step 3: Cross multiply
    188,237.25x = 276,078.38 × 276,078.38
  4. Step 4: Simplify right side
    188,237.25x = 76,219,269,142.64
  5. Step 5: Solve for x
    x = 76,219,269,142.64/188,237.25
  6. Step 6: Final answer
    x = 404,910.66

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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.