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Finding the Third Proportional to 885.75 and 1,323.38

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Solution

The third proportional to 885.75 and 1,323.38 is: 1,977.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    885.75 : 1,323.38 = 1,323.38 : x
  2. Step 2: Convert to fraction form
    885.75/1,323.38 = 1,323.38/x
  3. Step 3: Cross multiply
    885.75x = 1,323.38 × 1,323.38
  4. Step 4: Simplify right side
    885.75x = 1,751,321.39
  5. Step 5: Solve for x
    x = 1,751,321.39/885.75
  6. Step 6: Final answer
    x = 1,977.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.