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Finding the Third Proportional to 145.75 and 192

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Solution

The third proportional to 145.75 and 192 is: 252.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145.75 : 192 = 192 : x
  2. Step 2: Convert to fraction form
    145.75/192 = 192/x
  3. Step 3: Cross multiply
    145.75x = 192 × 192
  4. Step 4: Simplify right side
    145.75x = 36,864
  5. Step 5: Solve for x
    x = 36,864/145.75
  6. Step 6: Final answer
    x = 252.93

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.