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Finding the Third Proportional to 1,808 and 4,028

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Solution

The third proportional to 1,808 and 4,028 is: 8,973.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808 : 4,028 = 4,028 : x
  2. Step 2: Convert to fraction form
    1,808/4,028 = 4,028/x
  3. Step 3: Cross multiply
    1,808x = 4,028 × 4,028
  4. Step 4: Simplify right side
    1,808x = 16,224,784
  5. Step 5: Solve for x
    x = 16,224,784/1,808
  6. Step 6: Final answer
    x = 8,973.88

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.