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Finding the Third Proportional to 3,808 and 5,582

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Solution

The third proportional to 3,808 and 5,582 is: 8,182.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808 : 5,582 = 5,582 : x
  2. Step 2: Convert to fraction form
    3,808/5,582 = 5,582/x
  3. Step 3: Cross multiply
    3,808x = 5,582 × 5,582
  4. Step 4: Simplify right side
    3,808x = 31,158,724
  5. Step 5: Solve for x
    x = 31,158,724/3,808
  6. Step 6: Final answer
    x = 8,182.44

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.