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Finding the Third Proportional to 118,478 and 166,660

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Solution

The third proportional to 118,478 and 166,660 is: 234,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,478 : 166,660 = 166,660 : x
  2. Step 2: Convert to fraction form
    118,478/166,660 = 166,660/x
  3. Step 3: Cross multiply
    118,478x = 166,660 × 166,660
  4. Step 4: Simplify right side
    118,478x = 27,775,555,600
  5. Step 5: Solve for x
    x = 27,775,555,600/118,478
  6. Step 6: Final answer
    x = 234,436.40

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.