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Finding the Third Proportional to 69,217.27 and 151,245.79

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Solution

The third proportional to 69,217.27 and 151,245.79 is: 330,485.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,217.27 : 151,245.79 = 151,245.79 : x
  2. Step 2: Convert to fraction form
    69,217.27/151,245.79 = 151,245.79/x
  3. Step 3: Cross multiply
    69,217.27x = 151,245.79 × 151,245.79
  4. Step 4: Simplify right side
    69,217.27x = 22,875,287,970.63
  5. Step 5: Solve for x
    x = 22,875,287,970.63/69,217.27
  6. Step 6: Final answer
    x = 330,485.27

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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.