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Finding the Third Proportional to 166 and 425.50

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Solution

The third proportional to 166 and 425.50 is: 1,090.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    166 : 425.50 = 425.50 : x
  2. Step 2: Convert to fraction form
    166/425.50 = 425.50/x
  3. Step 3: Cross multiply
    166x = 425.50 × 425.50
  4. Step 4: Simplify right side
    166x = 181,050.25
  5. Step 5: Solve for x
    x = 181,050.25/166
  6. Step 6: Final answer
    x = 1,090.66

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These problems maintain the same ratio (2.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.