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Finding the Third Proportional to 930.23 and 1,997.16

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Solution

The third proportional to 930.23 and 1,997.16 is: 4,287.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    930.23 : 1,997.16 = 1,997.16 : x
  2. Step 2: Convert to fraction form
    930.23/1,997.16 = 1,997.16/x
  3. Step 3: Cross multiply
    930.23x = 1,997.16 × 1,997.16
  4. Step 4: Simplify right side
    930.23x = 3,988,633.09
  5. Step 5: Solve for x
    x = 3,988,633.09/930.23
  6. Step 6: Final answer
    x = 4,287.77

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.