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Finding the Third Proportional to 3,969 and 4,410

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Solution

The third proportional to 3,969 and 4,410 is: 4,900

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969 : 4,410 = 4,410 : x
  2. Step 2: Convert to fraction form
    3,969/4,410 = 4,410/x
  3. Step 3: Cross multiply
    3,969x = 4,410 × 4,410
  4. Step 4: Simplify right side
    3,969x = 19,448,100
  5. Step 5: Solve for x
    x = 19,448,100/3,969
  6. Step 6: Final answer
    x = 4,900

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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.