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Finding the Third Proportional to 2,355 and 2,727

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Solution

The third proportional to 2,355 and 2,727 is: 3,157.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355 : 2,727 = 2,727 : x
  2. Step 2: Convert to fraction form
    2,355/2,727 = 2,727/x
  3. Step 3: Cross multiply
    2,355x = 2,727 × 2,727
  4. Step 4: Simplify right side
    2,355x = 7,436,529
  5. Step 5: Solve for x
    x = 7,436,529/2,355
  6. Step 6: Final answer
    x = 3,157.76

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.