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Finding the Third Proportional to 118,536 and 180,108

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Solution

The third proportional to 118,536 and 180,108 is: 273,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,536 : 180,108 = 180,108 : x
  2. Step 2: Convert to fraction form
    118,536/180,108 = 180,108/x
  3. Step 3: Cross multiply
    118,536x = 180,108 × 180,108
  4. Step 4: Simplify right side
    118,536x = 32,438,891,664
  5. Step 5: Solve for x
    x = 32,438,891,664/118,536
  6. Step 6: Final answer
    x = 273,662.78

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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.