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Finding the Third Proportional to 5,780 and 8,995

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Solution

The third proportional to 5,780 and 8,995 is: 13,998.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780 : 8,995 = 8,995 : x
  2. Step 2: Convert to fraction form
    5,780/8,995 = 8,995/x
  3. Step 3: Cross multiply
    5,780x = 8,995 × 8,995
  4. Step 4: Simplify right side
    5,780x = 80,910,025
  5. Step 5: Solve for x
    x = 80,910,025/5,780
  6. Step 6: Final answer
    x = 13,998.27

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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.