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Finding the Third Proportional to 1,760 and 2,738

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Solution

The third proportional to 1,760 and 2,738 is: 4,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760 : 2,738 = 2,738 : x
  2. Step 2: Convert to fraction form
    1,760/2,738 = 2,738/x
  3. Step 3: Cross multiply
    1,760x = 2,738 × 2,738
  4. Step 4: Simplify right side
    1,760x = 7,496,644
  5. Step 5: Solve for x
    x = 7,496,644/1,760
  6. Step 6: Final answer
    x = 4,259.46

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.