Home / 1,728-1,856

Finding the Third Proportional to 1,728 and 1,856

Calculator

Solution

The third proportional to 1,728 and 1,856 is: 1,993.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728 : 1,856 = 1,856 : x
  2. Step 2: Convert to fraction form
    1,728/1,856 = 1,856/x
  3. Step 3: Cross multiply
    1,728x = 1,856 × 1,856
  4. Step 4: Simplify right side
    1,728x = 3,444,736
  5. Step 5: Solve for x
    x = 3,444,736/1,728
  6. Step 6: Final answer
    x = 1,993.48

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.