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Finding the Third Proportional to 166,905 and 371,127

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Solution

The third proportional to 166,905 and 371,127 is: 825,231.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,905 : 371,127 = 371,127 : x
  2. Step 2: Convert to fraction form
    166,905/371,127 = 371,127/x
  3. Step 3: Cross multiply
    166,905x = 371,127 × 371,127
  4. Step 4: Simplify right side
    166,905x = 137,735,250,129
  5. Step 5: Solve for x
    x = 137,735,250,129/166,905
  6. Step 6: Final answer
    x = 825,231.42

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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.