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Finding the Third Proportional to 1,896.50 and 3,937

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Solution

The third proportional to 1,896.50 and 3,937 is: 8,172.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.50 : 3,937 = 3,937 : x
  2. Step 2: Convert to fraction form
    1,896.50/3,937 = 3,937/x
  3. Step 3: Cross multiply
    1,896.50x = 3,937 × 3,937
  4. Step 4: Simplify right side
    1,896.50x = 15,499,969
  5. Step 5: Solve for x
    x = 15,499,969/1,896.50
  6. Step 6: Final answer
    x = 8,172.93

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.