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Finding the Third Proportional to 68,991 and 151,230

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Solution

The third proportional to 68,991 and 151,230 is: 331,499.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,991 : 151,230 = 151,230 : x
  2. Step 2: Convert to fraction form
    68,991/151,230 = 151,230/x
  3. Step 3: Cross multiply
    68,991x = 151,230 × 151,230
  4. Step 4: Simplify right side
    68,991x = 22,870,512,900
  5. Step 5: Solve for x
    x = 22,870,512,900/68,991
  6. Step 6: Final answer
    x = 331,499.95

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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.