Home / 259,168-423,198

Finding the Third Proportional to 259,168 and 423,198

Calculator

Solution

The third proportional to 259,168 and 423,198 is: 691,044.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,168 : 423,198 = 423,198 : x
  2. Step 2: Convert to fraction form
    259,168/423,198 = 423,198/x
  3. Step 3: Cross multiply
    259,168x = 423,198 × 423,198
  4. Step 4: Simplify right side
    259,168x = 179,096,547,204
  5. Step 5: Solve for x
    x = 179,096,547,204/259,168
  6. Step 6: Final answer
    x = 691,044.22

Related Problems

Find third proportional to 129,584 and 211,599
Half scale
Find third proportional to 518,336 and 846,396
Double scale
Find third proportional to 259,170 and 423,201
Similar ratio
Find third proportional to 388,752 and 634,797
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.