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Finding the Third Proportional to 192.94 and 275.91

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Solution

The third proportional to 192.94 and 275.91 is: 394.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.94 : 275.91 = 275.91 : x
  2. Step 2: Convert to fraction form
    192.94/275.91 = 275.91/x
  3. Step 3: Cross multiply
    192.94x = 275.91 × 275.91
  4. Step 4: Simplify right side
    192.94x = 76,124.26
  5. Step 5: Solve for x
    x = 76,124.26/192.94
  6. Step 6: Final answer
    x = 394.55

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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.