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Finding the Third Proportional to 119,891.25 and 179,012.81

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Solution

The third proportional to 119,891.25 and 179,012.81 is: 267,288.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,891.25 : 179,012.81 = 179,012.81 : x
  2. Step 2: Convert to fraction form
    119,891.25/179,012.81 = 179,012.81/x
  3. Step 3: Cross multiply
    119,891.25x = 179,012.81 × 179,012.81
  4. Step 4: Simplify right side
    119,891.25x = 32,045,587,039.16
  5. Step 5: Solve for x
    x = 32,045,587,039.16/119,891.25
  6. Step 6: Final answer
    x = 267,288.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.