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Finding the Third Proportional to 4,414 and 7,057

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Solution

The third proportional to 4,414 and 7,057 is: 11,282.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,414 : 7,057 = 7,057 : x
  2. Step 2: Convert to fraction form
    4,414/7,057 = 7,057/x
  3. Step 3: Cross multiply
    4,414x = 7,057 × 7,057
  4. Step 4: Simplify right side
    4,414x = 49,801,249
  5. Step 5: Solve for x
    x = 49,801,249/4,414
  6. Step 6: Final answer
    x = 11,282.57

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.