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Finding the Third Proportional to 35 and 61.25

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Solution

The third proportional to 35 and 61.25 is: 107.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35 : 61.25 = 61.25 : x
  2. Step 2: Convert to fraction form
    35/61.25 = 61.25/x
  3. Step 3: Cross multiply
    35x = 61.25 × 61.25
  4. Step 4: Simplify right side
    35x = 3,751.56
  5. Step 5: Solve for x
    x = 3,751.56/35
  6. Step 6: Final answer
    x = 107.19

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Why These Related Problems?

These problems maintain the same ratio (1.75) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.