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Finding the Third Proportional to 2,977 and 4,008

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Solution

The third proportional to 2,977 and 4,008 is: 5,396.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977 : 4,008 = 4,008 : x
  2. Step 2: Convert to fraction form
    2,977/4,008 = 4,008/x
  3. Step 3: Cross multiply
    2,977x = 4,008 × 4,008
  4. Step 4: Simplify right side
    2,977x = 16,064,064
  5. Step 5: Solve for x
    x = 16,064,064/2,977
  6. Step 6: Final answer
    x = 5,396.06

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.