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Finding the Third Proportional to 167,141 and 251,510

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Solution

The third proportional to 167,141 and 251,510 is: 378,466.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,141 : 251,510 = 251,510 : x
  2. Step 2: Convert to fraction form
    167,141/251,510 = 251,510/x
  3. Step 3: Cross multiply
    167,141x = 251,510 × 251,510
  4. Step 4: Simplify right side
    167,141x = 63,257,280,100
  5. Step 5: Solve for x
    x = 63,257,280,100/167,141
  6. Step 6: Final answer
    x = 378,466.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.