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Finding the Third Proportional to 69,198.75 and 151,322.63

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Solution

The third proportional to 69,198.75 and 151,322.63 is: 330,909.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,198.75 : 151,322.63 = 151,322.63 : x
  2. Step 2: Convert to fraction form
    69,198.75/151,322.63 = 151,322.63/x
  3. Step 3: Cross multiply
    69,198.75x = 151,322.63 × 151,322.63
  4. Step 4: Simplify right side
    69,198.75x = 22,898,536,836.89
  5. Step 5: Solve for x
    x = 22,898,536,836.89/69,198.75
  6. Step 6: Final answer
    x = 330,909.69

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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.