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Finding the Third Proportional to 109.03 and 160.92

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Solution

The third proportional to 109.03 and 160.92 is: 237.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109.03 : 160.92 = 160.92 : x
  2. Step 2: Convert to fraction form
    109.03/160.92 = 160.92/x
  3. Step 3: Cross multiply
    109.03x = 160.92 × 160.92
  4. Step 4: Simplify right side
    109.03x = 25,895.85
  5. Step 5: Solve for x
    x = 25,895.85/109.03
  6. Step 6: Final answer
    x = 237.51

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.