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Finding the Third Proportional to 148.06 and 219.94

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Solution

The third proportional to 148.06 and 219.94 is: 326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.06 : 219.94 = 219.94 : x
  2. Step 2: Convert to fraction form
    148.06/219.94 = 219.94/x
  3. Step 3: Cross multiply
    148.06x = 219.94 × 219.94
  4. Step 4: Simplify right side
    148.06x = 48,372.50
  5. Step 5: Solve for x
    x = 48,372.50/148.06
  6. Step 6: Final answer
    x = 326.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.