Home / 856-880

Finding the Third Proportional to 856 and 880

Calculator

Solution

The third proportional to 856 and 880 is: 904.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    856 : 880 = 880 : x
  2. Step 2: Convert to fraction form
    856/880 = 880/x
  3. Step 3: Cross multiply
    856x = 880 × 880
  4. Step 4: Simplify right side
    856x = 774,400
  5. Step 5: Solve for x
    x = 774,400/856
  6. Step 6: Final answer
    x = 904.67

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.