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Finding the Third Proportional to 17.25 and 35.63

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Solution

The third proportional to 17.25 and 35.63 is: 73.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.25 : 35.63 = 35.63 : x
  2. Step 2: Convert to fraction form
    17.25/35.63 = 35.63/x
  3. Step 3: Cross multiply
    17.25x = 35.63 × 35.63
  4. Step 4: Simplify right side
    17.25x = 1,269.14
  5. Step 5: Solve for x
    x = 1,269.14/17.25
  6. Step 6: Final answer
    x = 73.57

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.