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Finding the Third Proportional to 1,740 and 3,104

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Solution

The third proportional to 1,740 and 3,104 is: 5,537.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740 : 3,104 = 3,104 : x
  2. Step 2: Convert to fraction form
    1,740/3,104 = 3,104/x
  3. Step 3: Cross multiply
    1,740x = 3,104 × 3,104
  4. Step 4: Simplify right side
    1,740x = 9,634,816
  5. Step 5: Solve for x
    x = 9,634,816/1,740
  6. Step 6: Final answer
    x = 5,537.25

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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.