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Finding the Third Proportional to 1,774 and 3,780

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Solution

The third proportional to 1,774 and 3,780 is: 8,054.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774 : 3,780 = 3,780 : x
  2. Step 2: Convert to fraction form
    1,774/3,780 = 3,780/x
  3. Step 3: Cross multiply
    1,774x = 3,780 × 3,780
  4. Step 4: Simplify right side
    1,774x = 14,288,400
  5. Step 5: Solve for x
    x = 14,288,400/1,774
  6. Step 6: Final answer
    x = 8,054.34

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.