Home / 811-875

Finding the Third Proportional to 811 and 875

Calculator

Solution

The third proportional to 811 and 875 is: 944.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    811 : 875 = 875 : x
  2. Step 2: Convert to fraction form
    811/875 = 875/x
  3. Step 3: Cross multiply
    811x = 875 × 875
  4. Step 4: Simplify right side
    811x = 765,625
  5. Step 5: Solve for x
    x = 765,625/811
  6. Step 6: Final answer
    x = 944.05

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.