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Finding the Third Proportional to 1,852 and 3,087

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Solution

The third proportional to 1,852 and 3,087 is: 5,145.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852 : 3,087 = 3,087 : x
  2. Step 2: Convert to fraction form
    1,852/3,087 = 3,087/x
  3. Step 3: Cross multiply
    1,852x = 3,087 × 3,087
  4. Step 4: Simplify right side
    1,852x = 9,529,569
  5. Step 5: Solve for x
    x = 9,529,569/1,852
  6. Step 6: Final answer
    x = 5,145.56

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.