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Finding the Third Proportional to 3,308 and 4,505

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Solution

The third proportional to 3,308 and 4,505 is: 6,135.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308 : 4,505 = 4,505 : x
  2. Step 2: Convert to fraction form
    3,308/4,505 = 4,505/x
  3. Step 3: Cross multiply
    3,308x = 4,505 × 4,505
  4. Step 4: Simplify right side
    3,308x = 20,295,025
  5. Step 5: Solve for x
    x = 20,295,025/3,308
  6. Step 6: Final answer
    x = 6,135.13

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.