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Finding the Third Proportional to 118,540 and 180,114

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Solution

The third proportional to 118,540 and 180,114 is: 273,671.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,540 : 180,114 = 180,114 : x
  2. Step 2: Convert to fraction form
    118,540/180,114 = 180,114/x
  3. Step 3: Cross multiply
    118,540x = 180,114 × 180,114
  4. Step 4: Simplify right side
    118,540x = 32,441,052,996
  5. Step 5: Solve for x
    x = 32,441,052,996/118,540
  6. Step 6: Final answer
    x = 273,671.78

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.