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Finding the Third Proportional to 1,916 and 2,704

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Solution

The third proportional to 1,916 and 2,704 is: 3,816.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916 : 2,704 = 2,704 : x
  2. Step 2: Convert to fraction form
    1,916/2,704 = 2,704/x
  3. Step 3: Cross multiply
    1,916x = 2,704 × 2,704
  4. Step 4: Simplify right side
    1,916x = 7,311,616
  5. Step 5: Solve for x
    x = 7,311,616/1,916
  6. Step 6: Final answer
    x = 3,816.08

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.