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Finding the Third Proportional to 188,952.75 and 399,228.75

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Solution

The third proportional to 188,952.75 and 399,228.75 is: 843,510.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,952.75 : 399,228.75 = 399,228.75 : x
  2. Step 2: Convert to fraction form
    188,952.75/399,228.75 = 399,228.75/x
  3. Step 3: Cross multiply
    188,952.75x = 399,228.75 × 399,228.75
  4. Step 4: Simplify right side
    188,952.75x = 159,383,594,826.56
  5. Step 5: Solve for x
    x = 159,383,594,826.56/188,952.75
  6. Step 6: Final answer
    x = 843,510.32

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.