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Finding the Third Proportional to 172,611 and 370,086

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Solution

The third proportional to 172,611 and 370,086 is: 793,481.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,611 : 370,086 = 370,086 : x
  2. Step 2: Convert to fraction form
    172,611/370,086 = 370,086/x
  3. Step 3: Cross multiply
    172,611x = 370,086 × 370,086
  4. Step 4: Simplify right side
    172,611x = 136,963,647,396
  5. Step 5: Solve for x
    x = 136,963,647,396/172,611
  6. Step 6: Final answer
    x = 793,481.57

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.