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Finding the Third Proportional to 126,169.95 and 276,861.69

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Solution

The third proportional to 126,169.95 and 276,861.69 is: 607,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,169.95 : 276,861.69 = 276,861.69 : x
  2. Step 2: Convert to fraction form
    126,169.95/276,861.69 = 276,861.69/x
  3. Step 3: Cross multiply
    126,169.95x = 276,861.69 × 276,861.69
  4. Step 4: Simplify right side
    126,169.95x = 76,652,394,343.32
  5. Step 5: Solve for x
    x = 76,652,394,343.32/126,169.95
  6. Step 6: Final answer
    x = 607,532.90

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Why These Related Problems?

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