Home / 721.50-940.88

Finding the Third Proportional to 721.50 and 940.88

Calculator

Solution

The third proportional to 721.50 and 940.88 is: 1,226.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    721.50 : 940.88 = 940.88 : x
  2. Step 2: Convert to fraction form
    721.50/940.88 = 940.88/x
  3. Step 3: Cross multiply
    721.50x = 940.88 × 940.88
  4. Step 4: Simplify right side
    721.50x = 885,245.77
  5. Step 5: Solve for x
    x = 885,245.77/721.50
  6. Step 6: Final answer
    x = 1,226.95

Related Problems

Find third proportional to 360.75 and 470.44
Half scale
Find third proportional to 1,443 and 1,881.75
Double scale
Find third proportional to 724 and 943
Similar ratio
Find third proportional to 1,082.25 and 1,411.31
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.