Home / 431,488-945,920

Finding the Third Proportional to 431,488 and 945,920

Calculator

Solution

The third proportional to 431,488 and 945,920 is: 2,073,672.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,488 : 945,920 = 945,920 : x
  2. Step 2: Convert to fraction form
    431,488/945,920 = 945,920/x
  3. Step 3: Cross multiply
    431,488x = 945,920 × 945,920
  4. Step 4: Simplify right side
    431,488x = 894,764,646,400
  5. Step 5: Solve for x
    x = 894,764,646,400/431,488
  6. Step 6: Final answer
    x = 2,073,672.14

Related Problems

Find third proportional to 215,744 and 472,960
Half scale
Find third proportional to 862,976 and 1,891,840
Double scale
Find third proportional to 431,490 and 945,924
Similar ratio
Find third proportional to 647,232 and 1,418,880
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.