Home / 426,816-618,192

Finding the Third Proportional to 426,816 and 618,192

Calculator

Solution

The third proportional to 426,816 and 618,192 is: 895,377.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,816 : 618,192 = 618,192 : x
  2. Step 2: Convert to fraction form
    426,816/618,192 = 618,192/x
  3. Step 3: Cross multiply
    426,816x = 618,192 × 618,192
  4. Step 4: Simplify right side
    426,816x = 382,161,348,864
  5. Step 5: Solve for x
    x = 382,161,348,864/426,816
  6. Step 6: Final answer
    x = 895,377.28

Related Problems

Find third proportional to 213,408 and 309,096
Half scale
Find third proportional to 853,632 and 1,236,384
Double scale
Find third proportional to 426,818 and 618,195
Similar ratio
Find third proportional to 640,224 and 927,288
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.