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Finding the Third Proportional to 172,154 and 370,672

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Solution

The third proportional to 172,154 and 370,672 is: 798,109.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,154 : 370,672 = 370,672 : x
  2. Step 2: Convert to fraction form
    172,154/370,672 = 370,672/x
  3. Step 3: Cross multiply
    172,154x = 370,672 × 370,672
  4. Step 4: Simplify right side
    172,154x = 137,397,731,584
  5. Step 5: Solve for x
    x = 137,397,731,584/172,154
  6. Step 6: Final answer
    x = 798,109.43

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.