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Finding the Third Proportional to 112.92 and 174.94

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Solution

The third proportional to 112.92 and 174.94 is: 271.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112.92 : 174.94 = 174.94 : x
  2. Step 2: Convert to fraction form
    112.92/174.94 = 174.94/x
  3. Step 3: Cross multiply
    112.92x = 174.94 × 174.94
  4. Step 4: Simplify right side
    112.92x = 30,603.13
  5. Step 5: Solve for x
    x = 30,603.13/112.92
  6. Step 6: Final answer
    x = 271.01

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.