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Finding the Third Proportional to 110.25 and 259.88

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Solution

The third proportional to 110.25 and 259.88 is: 612.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.25 : 259.88 = 259.88 : x
  2. Step 2: Convert to fraction form
    110.25/259.88 = 259.88/x
  3. Step 3: Cross multiply
    110.25x = 259.88 × 259.88
  4. Step 4: Simplify right side
    110.25x = 67,535.02
  5. Step 5: Solve for x
    x = 67,535.02/110.25
  6. Step 6: Final answer
    x = 612.56

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These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.