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Finding the Third Proportional to 180,734.75 and 270,555

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Solution

The third proportional to 180,734.75 and 270,555 is: 405,013.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,734.75 : 270,555 = 270,555 : x
  2. Step 2: Convert to fraction form
    180,734.75/270,555 = 270,555/x
  3. Step 3: Cross multiply
    180,734.75x = 270,555 × 270,555
  4. Step 4: Simplify right side
    180,734.75x = 73,200,008,025
  5. Step 5: Solve for x
    x = 73,200,008,025/180,734.75
  6. Step 6: Final answer
    x = 405,013.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.