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Finding the Third Proportional to 2,018.99 and 4,383.97

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Solution

The third proportional to 2,018.99 and 4,383.97 is: 9,519.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.99 : 4,383.97 = 4,383.97 : x
  2. Step 2: Convert to fraction form
    2,018.99/4,383.97 = 4,383.97/x
  3. Step 3: Cross multiply
    2,018.99x = 4,383.97 × 4,383.97
  4. Step 4: Simplify right side
    2,018.99x = 19,219,164.88
  5. Step 5: Solve for x
    x = 19,219,164.88/2,018.99
  6. Step 6: Final answer
    x = 9,519.21

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.