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Finding the Third Proportional to 151.50 and 166.13

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Solution

The third proportional to 151.50 and 166.13 is: 182.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    151.50 : 166.13 = 166.13 : x
  2. Step 2: Convert to fraction form
    151.50/166.13 = 166.13/x
  3. Step 3: Cross multiply
    151.50x = 166.13 × 166.13
  4. Step 4: Simplify right side
    151.50x = 27,597.52
  5. Step 5: Solve for x
    x = 27,597.52/151.50
  6. Step 6: Final answer
    x = 182.16

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.