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Finding the Third Proportional to 1,612 and 2,760

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Solution

The third proportional to 1,612 and 2,760 is: 4,725.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612 : 2,760 = 2,760 : x
  2. Step 2: Convert to fraction form
    1,612/2,760 = 2,760/x
  3. Step 3: Cross multiply
    1,612x = 2,760 × 2,760
  4. Step 4: Simplify right side
    1,612x = 7,617,600
  5. Step 5: Solve for x
    x = 7,617,600/1,612
  6. Step 6: Final answer
    x = 4,725.56

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Why These Related Problems?

These problems maintain the same ratio (1.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.