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Finding the Third Proportional to 166,907 and 371,131

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Solution

The third proportional to 166,907 and 371,131 is: 825,239.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,907 : 371,131 = 371,131 : x
  2. Step 2: Convert to fraction form
    166,907/371,131 = 371,131/x
  3. Step 3: Cross multiply
    166,907x = 371,131 × 371,131
  4. Step 4: Simplify right side
    166,907x = 137,738,219,161
  5. Step 5: Solve for x
    x = 137,738,219,161/166,907
  6. Step 6: Final answer
    x = 825,239.32

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.