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Finding the Third Proportional to 13.25 and 35

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Solution

The third proportional to 13.25 and 35 is: 92.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13.25 : 35 = 35 : x
  2. Step 2: Convert to fraction form
    13.25/35 = 35/x
  3. Step 3: Cross multiply
    13.25x = 35 × 35
  4. Step 4: Simplify right side
    13.25x = 1,225
  5. Step 5: Solve for x
    x = 1,225/13.25
  6. Step 6: Final answer
    x = 92.45

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Why These Related Problems?

These problems maintain the same ratio (2.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.