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Finding the Third Proportional to 79,836.50 and 111,005.25

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Solution

The third proportional to 79,836.50 and 111,005.25 is: 154,342.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,836.50 : 111,005.25 = 111,005.25 : x
  2. Step 2: Convert to fraction form
    79,836.50/111,005.25 = 111,005.25/x
  3. Step 3: Cross multiply
    79,836.50x = 111,005.25 × 111,005.25
  4. Step 4: Simplify right side
    79,836.50x = 12,322,165,527.56
  5. Step 5: Solve for x
    x = 12,322,165,527.56/79,836.50
  6. Step 6: Final answer
    x = 154,342.51

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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.