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Finding the Third Proportional to 1,864 and 3,104

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Solution

The third proportional to 1,864 and 3,104 is: 5,168.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864 : 3,104 = 3,104 : x
  2. Step 2: Convert to fraction form
    1,864/3,104 = 3,104/x
  3. Step 3: Cross multiply
    1,864x = 3,104 × 3,104
  4. Step 4: Simplify right side
    1,864x = 9,634,816
  5. Step 5: Solve for x
    x = 9,634,816/1,864
  6. Step 6: Final answer
    x = 5,168.89

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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.