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Finding the Third Proportional to 998.16 and 2,193.75

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Solution

The third proportional to 998.16 and 2,193.75 is: 4,821.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    998.16 : 2,193.75 = 2,193.75 : x
  2. Step 2: Convert to fraction form
    998.16/2,193.75 = 2,193.75/x
  3. Step 3: Cross multiply
    998.16x = 2,193.75 × 2,193.75
  4. Step 4: Simplify right side
    998.16x = 4,812,539.06
  5. Step 5: Solve for x
    x = 4,812,539.06/998.16
  6. Step 6: Final answer
    x = 4,821.43

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.