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Finding the Third Proportional to 92,716.50 and 172,189.50

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Solution

The third proportional to 92,716.50 and 172,189.50 is: 319,783.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,716.50 : 172,189.50 = 172,189.50 : x
  2. Step 2: Convert to fraction form
    92,716.50/172,189.50 = 172,189.50/x
  3. Step 3: Cross multiply
    92,716.50x = 172,189.50 × 172,189.50
  4. Step 4: Simplify right side
    92,716.50x = 29,649,223,910.25
  5. Step 5: Solve for x
    x = 29,649,223,910.25/92,716.50
  6. Step 6: Final answer
    x = 319,783.68

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.