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Finding the Third Proportional to 4,622 and 8,308

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Solution

The third proportional to 4,622 and 8,308 is: 14,933.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622 : 8,308 = 8,308 : x
  2. Step 2: Convert to fraction form
    4,622/8,308 = 8,308/x
  3. Step 3: Cross multiply
    4,622x = 8,308 × 8,308
  4. Step 4: Simplify right side
    4,622x = 69,022,864
  5. Step 5: Solve for x
    x = 69,022,864/4,622
  6. Step 6: Final answer
    x = 14,933.55

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Why These Related Problems?

These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.