Home / 1,121.34-1,759.22

Finding the Third Proportional to 1,121.34 and 1,759.22

Calculator

Solution

The third proportional to 1,121.34 and 1,759.22 is: 2,759.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121.34 : 1,759.22 = 1,759.22 : x
  2. Step 2: Convert to fraction form
    1,121.34/1,759.22 = 1,759.22/x
  3. Step 3: Cross multiply
    1,121.34x = 1,759.22 × 1,759.22
  4. Step 4: Simplify right side
    1,121.34x = 3,094,850.61
  5. Step 5: Solve for x
    x = 3,094,850.61/1,121.34
  6. Step 6: Final answer
    x = 2,759.95

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.