Home / 270,252-423,918

Finding the Third Proportional to 270,252 and 423,918

Calculator

Solution

The third proportional to 270,252 and 423,918 is: 664,958.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,252 : 423,918 = 423,918 : x
  2. Step 2: Convert to fraction form
    270,252/423,918 = 423,918/x
  3. Step 3: Cross multiply
    270,252x = 423,918 × 423,918
  4. Step 4: Simplify right side
    270,252x = 179,706,470,724
  5. Step 5: Solve for x
    x = 179,706,470,724/270,252
  6. Step 6: Final answer
    x = 664,958.89

Related Problems

Find third proportional to 135,126 and 211,959
Half scale
Find third proportional to 540,504 and 847,836
Double scale
Find third proportional to 270,254 and 423,921
Similar ratio
Find third proportional to 405,378 and 635,877
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.