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Finding the Third Proportional to 477.44 and 985.31

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Solution

The third proportional to 477.44 and 985.31 is: 2,033.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    477.44 : 985.31 = 985.31 : x
  2. Step 2: Convert to fraction form
    477.44/985.31 = 985.31/x
  3. Step 3: Cross multiply
    477.44x = 985.31 × 985.31
  4. Step 4: Simplify right side
    477.44x = 970,840.72
  5. Step 5: Solve for x
    x = 970,840.72/477.44
  6. Step 6: Final answer
    x = 2,033.44

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.