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Finding the Third Proportional to 908.38 and 1,961.94

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Solution

The third proportional to 908.38 and 1,961.94 is: 4,237.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    908.38 : 1,961.94 = 1,961.94 : x
  2. Step 2: Convert to fraction form
    908.38/1,961.94 = 1,961.94/x
  3. Step 3: Cross multiply
    908.38x = 1,961.94 × 1,961.94
  4. Step 4: Simplify right side
    908.38x = 3,849,198.75
  5. Step 5: Solve for x
    x = 3,849,198.75/908.38
  6. Step 6: Final answer
    x = 4,237.46

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.