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Finding the Third Proportional to 1,998.84 and 3,564.84

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Solution

The third proportional to 1,998.84 and 3,564.84 is: 6,357.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998.84 : 3,564.84 = 3,564.84 : x
  2. Step 2: Convert to fraction form
    1,998.84/3,564.84 = 3,564.84/x
  3. Step 3: Cross multiply
    1,998.84x = 3,564.84 × 3,564.84
  4. Step 4: Simplify right side
    1,998.84x = 12,708,110.96
  5. Step 5: Solve for x
    x = 12,708,110.96/1,998.84
  6. Step 6: Final answer
    x = 6,357.73

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.