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Finding the Third Proportional to 35.25 and 75

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Solution

The third proportional to 35.25 and 75 is: 159.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.25 : 75 = 75 : x
  2. Step 2: Convert to fraction form
    35.25/75 = 75/x
  3. Step 3: Cross multiply
    35.25x = 75 × 75
  4. Step 4: Simplify right side
    35.25x = 5,625
  5. Step 5: Solve for x
    x = 5,625/35.25
  6. Step 6: Final answer
    x = 159.57

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.