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Finding the Third Proportional to 126,551 and 178,010

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Solution

The third proportional to 126,551 and 178,010 is: 250,393.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,551 : 178,010 = 178,010 : x
  2. Step 2: Convert to fraction form
    126,551/178,010 = 178,010/x
  3. Step 3: Cross multiply
    126,551x = 178,010 × 178,010
  4. Step 4: Simplify right side
    126,551x = 31,687,560,100
  5. Step 5: Solve for x
    x = 31,687,560,100/126,551
  6. Step 6: Final answer
    x = 250,393.60

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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.