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Finding the Third Proportional to 1,958 and 3,760

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Solution

The third proportional to 1,958 and 3,760 is: 7,220.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958 : 3,760 = 3,760 : x
  2. Step 2: Convert to fraction form
    1,958/3,760 = 3,760/x
  3. Step 3: Cross multiply
    1,958x = 3,760 × 3,760
  4. Step 4: Simplify right side
    1,958x = 14,137,600
  5. Step 5: Solve for x
    x = 14,137,600/1,958
  6. Step 6: Final answer
    x = 7,220.43

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Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.