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Finding the Third Proportional to 3,037 and 3,987.75

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Solution

The third proportional to 3,037 and 3,987.75 is: 5,236.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037 : 3,987.75 = 3,987.75 : x
  2. Step 2: Convert to fraction form
    3,037/3,987.75 = 3,987.75/x
  3. Step 3: Cross multiply
    3,037x = 3,987.75 × 3,987.75
  4. Step 4: Simplify right side
    3,037x = 15,902,150.06
  5. Step 5: Solve for x
    x = 15,902,150.06/3,037
  6. Step 6: Final answer
    x = 5,236.14

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.