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Finding the Third Proportional to 76,698 and 171,252

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Solution

The third proportional to 76,698 and 171,252 is: 382,373.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,698 : 171,252 = 171,252 : x
  2. Step 2: Convert to fraction form
    76,698/171,252 = 171,252/x
  3. Step 3: Cross multiply
    76,698x = 171,252 × 171,252
  4. Step 4: Simplify right side
    76,698x = 29,327,247,504
  5. Step 5: Solve for x
    x = 29,327,247,504/76,698
  6. Step 6: Final answer
    x = 382,373.04

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.