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Finding the Third Proportional to 106.75 and 247

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Solution

The third proportional to 106.75 and 247 is: 571.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106.75 : 247 = 247 : x
  2. Step 2: Convert to fraction form
    106.75/247 = 247/x
  3. Step 3: Cross multiply
    106.75x = 247 × 247
  4. Step 4: Simplify right side
    106.75x = 61,009
  5. Step 5: Solve for x
    x = 61,009/106.75
  6. Step 6: Final answer
    x = 571.51

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.