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Finding the Third Proportional to 3,505 and 4,960.50

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Solution

The third proportional to 3,505 and 4,960.50 is: 7,020.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505 : 4,960.50 = 4,960.50 : x
  2. Step 2: Convert to fraction form
    3,505/4,960.50 = 4,960.50/x
  3. Step 3: Cross multiply
    3,505x = 4,960.50 × 4,960.50
  4. Step 4: Simplify right side
    3,505x = 24,606,560.25
  5. Step 5: Solve for x
    x = 24,606,560.25/3,505
  6. Step 6: Final answer
    x = 7,020.42

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.