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Finding the Third Proportional to 172,968 and 374,370

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Solution

The third proportional to 172,968 and 374,370 is: 810,282.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,968 : 374,370 = 374,370 : x
  2. Step 2: Convert to fraction form
    172,968/374,370 = 374,370/x
  3. Step 3: Cross multiply
    172,968x = 374,370 × 374,370
  4. Step 4: Simplify right side
    172,968x = 140,152,896,900
  5. Step 5: Solve for x
    x = 140,152,896,900/172,968
  6. Step 6: Final answer
    x = 810,282.23

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.