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Finding the Third Proportional to 167,945 and 354,842

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Solution

The third proportional to 167,945 and 354,842 is: 749,726.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,945 : 354,842 = 354,842 : x
  2. Step 2: Convert to fraction form
    167,945/354,842 = 354,842/x
  3. Step 3: Cross multiply
    167,945x = 354,842 × 354,842
  4. Step 4: Simplify right side
    167,945x = 125,912,844,964
  5. Step 5: Solve for x
    x = 125,912,844,964/167,945
  6. Step 6: Final answer
    x = 749,726.67

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.