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Finding the Third Proportional to 998.06 and 2,108.63

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Solution

The third proportional to 998.06 and 2,108.63 is: 4,454.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    998.06 : 2,108.63 = 2,108.63 : x
  2. Step 2: Convert to fraction form
    998.06/2,108.63 = 2,108.63/x
  3. Step 3: Cross multiply
    998.06x = 2,108.63 × 2,108.63
  4. Step 4: Simplify right side
    998.06x = 4,446,299.39
  5. Step 5: Solve for x
    x = 4,446,299.39/998.06
  6. Step 6: Final answer
    x = 4,454.93

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.