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Finding the Third Proportional to 166,100 and 250,878

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Solution

The third proportional to 166,100 and 250,878 is: 378,926.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,100 : 250,878 = 250,878 : x
  2. Step 2: Convert to fraction form
    166,100/250,878 = 250,878/x
  3. Step 3: Cross multiply
    166,100x = 250,878 × 250,878
  4. Step 4: Simplify right side
    166,100x = 62,939,770,884
  5. Step 5: Solve for x
    x = 62,939,770,884/166,100
  6. Step 6: Final answer
    x = 378,926.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.