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Finding the Third Proportional to 82.75 and 146

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Solution

The third proportional to 82.75 and 146 is: 257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82.75 : 146 = 146 : x
  2. Step 2: Convert to fraction form
    82.75/146 = 146/x
  3. Step 3: Cross multiply
    82.75x = 146 × 146
  4. Step 4: Simplify right side
    82.75x = 21,316
  5. Step 5: Solve for x
    x = 21,316/82.75
  6. Step 6: Final answer
    x = 257.60

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.