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Finding the Third Proportional to 884.81 and 1,555.31

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Solution

The third proportional to 884.81 and 1,555.31 is: 2,733.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.81 : 1,555.31 = 1,555.31 : x
  2. Step 2: Convert to fraction form
    884.81/1,555.31 = 1,555.31/x
  3. Step 3: Cross multiply
    884.81x = 1,555.31 × 1,555.31
  4. Step 4: Simplify right side
    884.81x = 2,418,996.97
  5. Step 5: Solve for x
    x = 2,418,996.97/884.81
  6. Step 6: Final answer
    x = 2,733.91

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.