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Finding the Third Proportional to 499.78 and 961.03

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Solution

The third proportional to 499.78 and 961.03 is: 1,847.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    499.78 : 961.03 = 961.03 : x
  2. Step 2: Convert to fraction form
    499.78/961.03 = 961.03/x
  3. Step 3: Cross multiply
    499.78x = 961.03 × 961.03
  4. Step 4: Simplify right side
    499.78x = 923,581.06
  5. Step 5: Solve for x
    x = 923,581.06/499.78
  6. Step 6: Final answer
    x = 1,847.97

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Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.