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Finding the Third Proportional to 179 and 213.50

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Solution

The third proportional to 179 and 213.50 is: 254.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    179 : 213.50 = 213.50 : x
  2. Step 2: Convert to fraction form
    179/213.50 = 213.50/x
  3. Step 3: Cross multiply
    179x = 213.50 × 213.50
  4. Step 4: Simplify right side
    179x = 45,582.25
  5. Step 5: Solve for x
    x = 45,582.25/179
  6. Step 6: Final answer
    x = 254.65

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Why These Related Problems?

These problems maintain the same ratio (1.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.