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Finding the Third Proportional to 170,508 and 370,992

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Solution

The third proportional to 170,508 and 370,992 is: 807,205.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,508 : 370,992 = 370,992 : x
  2. Step 2: Convert to fraction form
    170,508/370,992 = 370,992/x
  3. Step 3: Cross multiply
    170,508x = 370,992 × 370,992
  4. Step 4: Simplify right side
    170,508x = 137,635,064,064
  5. Step 5: Solve for x
    x = 137,635,064,064/170,508
  6. Step 6: Final answer
    x = 807,205.90

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.