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Finding the Third Proportional to 7,277 and 8,069

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Solution

The third proportional to 7,277 and 8,069 is: 8,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277 : 8,069 = 8,069 : x
  2. Step 2: Convert to fraction form
    7,277/8,069 = 8,069/x
  3. Step 3: Cross multiply
    7,277x = 8,069 × 8,069
  4. Step 4: Simplify right side
    7,277x = 65,108,761
  5. Step 5: Solve for x
    x = 65,108,761/7,277
  6. Step 6: Final answer
    x = 8,947.20

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.