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Finding the Third Proportional to 3,962.25 and 8,505

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Solution

The third proportional to 3,962.25 and 8,505 is: 18,256.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.25 : 8,505 = 8,505 : x
  2. Step 2: Convert to fraction form
    3,962.25/8,505 = 8,505/x
  3. Step 3: Cross multiply
    3,962.25x = 8,505 × 8,505
  4. Step 4: Simplify right side
    3,962.25x = 72,335,025
  5. Step 5: Solve for x
    x = 72,335,025/3,962.25
  6. Step 6: Final answer
    x = 18,256.05

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.