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Finding the Third Proportional to 1,449 and 1,884.38

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Solution

The third proportional to 1,449 and 1,884.38 is: 2,450.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449 : 1,884.38 = 1,884.38 : x
  2. Step 2: Convert to fraction form
    1,449/1,884.38 = 1,884.38/x
  3. Step 3: Cross multiply
    1,449x = 1,884.38 × 1,884.38
  4. Step 4: Simplify right side
    1,449x = 3,550,869.14
  5. Step 5: Solve for x
    x = 3,550,869.14/1,449
  6. Step 6: Final answer
    x = 2,450.57

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.