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Finding the Third Proportional to 440.44 and 918.84

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Solution

The third proportional to 440.44 and 918.84 is: 1,916.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    440.44 : 918.84 = 918.84 : x
  2. Step 2: Convert to fraction form
    440.44/918.84 = 918.84/x
  3. Step 3: Cross multiply
    440.44x = 918.84 × 918.84
  4. Step 4: Simplify right side
    440.44x = 844,273.84
  5. Step 5: Solve for x
    x = 844,273.84/440.44
  6. Step 6: Final answer
    x = 1,916.90

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.