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Finding the Third Proportional to 240.75 and 350.02

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Solution

The third proportional to 240.75 and 350.02 is: 508.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.75 : 350.02 = 350.02 : x
  2. Step 2: Convert to fraction form
    240.75/350.02 = 350.02/x
  3. Step 3: Cross multiply
    240.75x = 350.02 × 350.02
  4. Step 4: Simplify right side
    240.75x = 122,510.94
  5. Step 5: Solve for x
    x = 122,510.94/240.75
  6. Step 6: Final answer
    x = 508.87

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.