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Finding the Third Proportional to 168,611 and 352,813

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Solution

The third proportional to 168,611 and 352,813 is: 738,249.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,611 : 352,813 = 352,813 : x
  2. Step 2: Convert to fraction form
    168,611/352,813 = 352,813/x
  3. Step 3: Cross multiply
    168,611x = 352,813 × 352,813
  4. Step 4: Simplify right side
    168,611x = 124,477,012,969
  5. Step 5: Solve for x
    x = 124,477,012,969/168,611
  6. Step 6: Final answer
    x = 738,249.66

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.