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Finding the Third Proportional to 3,110.50 and 4,605

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Solution

The third proportional to 3,110.50 and 4,605 is: 6,817.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.50 : 4,605 = 4,605 : x
  2. Step 2: Convert to fraction form
    3,110.50/4,605 = 4,605/x
  3. Step 3: Cross multiply
    3,110.50x = 4,605 × 4,605
  4. Step 4: Simplify right side
    3,110.50x = 21,206,025
  5. Step 5: Solve for x
    x = 21,206,025/3,110.50
  6. Step 6: Final answer
    x = 6,817.56

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.