Home / 961.31-1,581.19

Finding the Third Proportional to 961.31 and 1,581.19

Calculator

Solution

The third proportional to 961.31 and 1,581.19 is: 2,600.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    961.31 : 1,581.19 = 1,581.19 : x
  2. Step 2: Convert to fraction form
    961.31/1,581.19 = 1,581.19/x
  3. Step 3: Cross multiply
    961.31x = 1,581.19 × 1,581.19
  4. Step 4: Simplify right side
    961.31x = 2,500,153.91
  5. Step 5: Solve for x
    x = 2,500,153.91/961.31
  6. Step 6: Final answer
    x = 2,600.77

Related Problems

Find third proportional to 480.66 and 790.59
Half scale
Find third proportional to 1,922.63 and 3,162.38
Double scale
Find third proportional to 963 and 1,584
Similar ratio
Find third proportional to 1,441.97 and 2,371.78
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.