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Finding the Third Proportional to 450 and 980.44

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Solution

The third proportional to 450 and 980.44 is: 2,136.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    450 : 980.44 = 980.44 : x
  2. Step 2: Convert to fraction form
    450/980.44 = 980.44/x
  3. Step 3: Cross multiply
    450x = 980.44 × 980.44
  4. Step 4: Simplify right side
    450x = 961,257.69
  5. Step 5: Solve for x
    x = 961,257.69/450
  6. Step 6: Final answer
    x = 2,136.13

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.