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Finding the Third Proportional to 961.13 and 1,962.38

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Solution

The third proportional to 961.13 and 1,962.38 is: 4,006.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    961.13 : 1,962.38 = 1,962.38 : x
  2. Step 2: Convert to fraction form
    961.13/1,962.38 = 1,962.38/x
  3. Step 3: Cross multiply
    961.13x = 1,962.38 × 1,962.38
  4. Step 4: Simplify right side
    961.13x = 3,850,915.64
  5. Step 5: Solve for x
    x = 3,850,915.64/961.13
  6. Step 6: Final answer
    x = 4,006.68

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.