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Finding the Third Proportional to 1,775 and 3,649

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Solution

The third proportional to 1,775 and 3,649 is: 7,501.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775 : 3,649 = 3,649 : x
  2. Step 2: Convert to fraction form
    1,775/3,649 = 3,649/x
  3. Step 3: Cross multiply
    1,775x = 3,649 × 3,649
  4. Step 4: Simplify right side
    1,775x = 13,315,201
  5. Step 5: Solve for x
    x = 13,315,201/1,775
  6. Step 6: Final answer
    x = 7,501.52

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.