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Finding the Third Proportional to 108,639.56 and 227,206.69

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Solution

The third proportional to 108,639.56 and 227,206.69 is: 475,175.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,639.56 : 227,206.69 = 227,206.69 : x
  2. Step 2: Convert to fraction form
    108,639.56/227,206.69 = 227,206.69/x
  3. Step 3: Cross multiply
    108,639.56x = 227,206.69 × 227,206.69
  4. Step 4: Simplify right side
    108,639.56x = 51,622,878,844.72
  5. Step 5: Solve for x
    x = 51,622,878,844.72/108,639.56
  6. Step 6: Final answer
    x = 475,175.69

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.