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Finding the Third Proportional to 118,691 and 158,550

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Solution

The third proportional to 118,691 and 158,550 is: 211,794.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,691 : 158,550 = 158,550 : x
  2. Step 2: Convert to fraction form
    118,691/158,550 = 158,550/x
  3. Step 3: Cross multiply
    118,691x = 158,550 × 158,550
  4. Step 4: Simplify right side
    118,691x = 25,138,102,500
  5. Step 5: Solve for x
    x = 25,138,102,500/118,691
  6. Step 6: Final answer
    x = 211,794.51

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.