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Finding the Third Proportional to 883.13 and 1,212.19

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Solution

The third proportional to 883.13 and 1,212.19 is: 1,663.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.13 : 1,212.19 = 1,212.19 : x
  2. Step 2: Convert to fraction form
    883.13/1,212.19 = 1,212.19/x
  3. Step 3: Cross multiply
    883.13x = 1,212.19 × 1,212.19
  4. Step 4: Simplify right side
    883.13x = 1,469,398.54
  5. Step 5: Solve for x
    x = 1,469,398.54/883.13
  6. Step 6: Final answer
    x = 1,663.86

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.