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Finding the Third Proportional to 442.75 and 884.38

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Solution

The third proportional to 442.75 and 884.38 is: 1,766.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    442.75 : 884.38 = 884.38 : x
  2. Step 2: Convert to fraction form
    442.75/884.38 = 884.38/x
  3. Step 3: Cross multiply
    442.75x = 884.38 × 884.38
  4. Step 4: Simplify right side
    442.75x = 782,119.14
  5. Step 5: Solve for x
    x = 782,119.14/442.75
  6. Step 6: Final answer
    x = 1,766.50

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Why These Related Problems?

These problems maintain the same ratio (2.00) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.