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Finding the Third Proportional to 176.50 and 194.88

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Solution

The third proportional to 176.50 and 194.88 is: 215.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.50 : 194.88 = 194.88 : x
  2. Step 2: Convert to fraction form
    176.50/194.88 = 194.88/x
  3. Step 3: Cross multiply
    176.50x = 194.88 × 194.88
  4. Step 4: Simplify right side
    176.50x = 37,976.27
  5. Step 5: Solve for x
    x = 37,976.27/176.50
  6. Step 6: Final answer
    x = 215.16

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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.