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Finding the Third Proportional to 1,998 and 5,244.75

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Solution

The third proportional to 1,998 and 5,244.75 is: 13,767.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998 : 5,244.75 = 5,244.75 : x
  2. Step 2: Convert to fraction form
    1,998/5,244.75 = 5,244.75/x
  3. Step 3: Cross multiply
    1,998x = 5,244.75 × 5,244.75
  4. Step 4: Simplify right side
    1,998x = 27,507,402.56
  5. Step 5: Solve for x
    x = 27,507,402.56/1,998
  6. Step 6: Final answer
    x = 13,767.47

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Why These Related Problems?

These problems maintain the same ratio (2.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.