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Finding the Third Proportional to 112.13 and 160.88

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Solution

The third proportional to 112.13 and 160.88 is: 230.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112.13 : 160.88 = 160.88 : x
  2. Step 2: Convert to fraction form
    112.13/160.88 = 160.88/x
  3. Step 3: Cross multiply
    112.13x = 160.88 × 160.88
  4. Step 4: Simplify right side
    112.13x = 25,880.77
  5. Step 5: Solve for x
    x = 25,880.77/112.13
  6. Step 6: Final answer
    x = 230.82

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.