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Finding the Third Proportional to 90,516.94 and 126,608.63

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Solution

The third proportional to 90,516.94 and 126,608.63 is: 177,091.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,516.94 : 126,608.63 = 126,608.63 : x
  2. Step 2: Convert to fraction form
    90,516.94/126,608.63 = 126,608.63/x
  3. Step 3: Cross multiply
    90,516.94x = 126,608.63 × 126,608.63
  4. Step 4: Simplify right side
    90,516.94x = 16,029,743,924.39
  5. Step 5: Solve for x
    x = 16,029,743,924.39/90,516.94
  6. Step 6: Final answer
    x = 177,091.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.