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Finding the Third Proportional to 168,439.50 and 368,529.75

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Solution

The third proportional to 168,439.50 and 368,529.75 is: 806,308.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,439.50 : 368,529.75 = 368,529.75 : x
  2. Step 2: Convert to fraction form
    168,439.50/368,529.75 = 368,529.75/x
  3. Step 3: Cross multiply
    168,439.50x = 368,529.75 × 368,529.75
  4. Step 4: Simplify right side
    168,439.50x = 135,814,176,635.06
  5. Step 5: Solve for x
    x = 135,814,176,635.06/168,439.50
  6. Step 6: Final answer
    x = 806,308.36

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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.