Home / 263,228-423,912

Finding the Third Proportional to 263,228 and 423,912

Calculator

Solution

The third proportional to 263,228 and 423,912 is: 682,683.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,228 : 423,912 = 423,912 : x
  2. Step 2: Convert to fraction form
    263,228/423,912 = 423,912/x
  3. Step 3: Cross multiply
    263,228x = 423,912 × 423,912
  4. Step 4: Simplify right side
    263,228x = 179,701,383,744
  5. Step 5: Solve for x
    x = 179,701,383,744/263,228
  6. Step 6: Final answer
    x = 682,683.39

Related Problems

Find third proportional to 131,614 and 211,956
Half scale
Find third proportional to 526,456 and 847,824
Double scale
Find third proportional to 263,230 and 423,915
Similar ratio
Find third proportional to 394,842 and 635,868
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.