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Finding the Third Proportional to 109.69 and 160.03

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Solution

The third proportional to 109.69 and 160.03 is: 233.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109.69 : 160.03 = 160.03 : x
  2. Step 2: Convert to fraction form
    109.69/160.03 = 160.03/x
  3. Step 3: Cross multiply
    109.69x = 160.03 × 160.03
  4. Step 4: Simplify right side
    109.69x = 25,610.00
  5. Step 5: Solve for x
    x = 25,610.00/109.69
  6. Step 6: Final answer
    x = 233.48

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.