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Finding the Third Proportional to 68,829.19 and 151,216.88

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Solution

The third proportional to 68,829.19 and 151,216.88 is: 332,221.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,829.19 : 151,216.88 = 151,216.88 : x
  2. Step 2: Convert to fraction form
    68,829.19/151,216.88 = 151,216.88/x
  3. Step 3: Cross multiply
    68,829.19x = 151,216.88 × 151,216.88
  4. Step 4: Simplify right side
    68,829.19x = 22,866,543,284.77
  5. Step 5: Solve for x
    x = 22,866,543,284.77/68,829.19
  6. Step 6: Final answer
    x = 332,221.61

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.