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Finding the Third Proportional to 7,757 and 8,477

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Solution

The third proportional to 7,757 and 8,477 is: 9,263.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,757 : 8,477 = 8,477 : x
  2. Step 2: Convert to fraction form
    7,757/8,477 = 8,477/x
  3. Step 3: Cross multiply
    7,757x = 8,477 × 8,477
  4. Step 4: Simplify right side
    7,757x = 71,859,529
  5. Step 5: Solve for x
    x = 71,859,529/7,757
  6. Step 6: Final answer
    x = 9,263.83

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.