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Finding the Third Proportional to 188,151.50 and 268,212.75

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Solution

The third proportional to 188,151.50 and 268,212.75 is: 382,341.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,151.50 : 268,212.75 = 268,212.75 : x
  2. Step 2: Convert to fraction form
    188,151.50/268,212.75 = 268,212.75/x
  3. Step 3: Cross multiply
    188,151.50x = 268,212.75 × 268,212.75
  4. Step 4: Simplify right side
    188,151.50x = 71,938,079,262.56
  5. Step 5: Solve for x
    x = 71,938,079,262.56/188,151.50
  6. Step 6: Final answer
    x = 382,341.25

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.