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Finding the Third Proportional to 6,577 and 13,990

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Solution

The third proportional to 6,577 and 13,990 is: 29,758.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,577 : 13,990 = 13,990 : x
  2. Step 2: Convert to fraction form
    6,577/13,990 = 13,990/x
  3. Step 3: Cross multiply
    6,577x = 13,990 × 13,990
  4. Step 4: Simplify right side
    6,577x = 195,720,100
  5. Step 5: Solve for x
    x = 195,720,100/6,577
  6. Step 6: Final answer
    x = 29,758.26

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.