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Finding the Third Proportional to 176.63 and 269.44

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Solution

The third proportional to 176.63 and 269.44 is: 411.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.63 : 269.44 = 269.44 : x
  2. Step 2: Convert to fraction form
    176.63/269.44 = 269.44/x
  3. Step 3: Cross multiply
    176.63x = 269.44 × 269.44
  4. Step 4: Simplify right side
    176.63x = 72,596.57
  5. Step 5: Solve for x
    x = 72,596.57/176.63
  6. Step 6: Final answer
    x = 411.02

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.