Home / 100,181-211,540

Finding the Third Proportional to 100,181 and 211,540

Calculator

Solution

The third proportional to 100,181 and 211,540 is: 446,683.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,181 : 211,540 = 211,540 : x
  2. Step 2: Convert to fraction form
    100,181/211,540 = 211,540/x
  3. Step 3: Cross multiply
    100,181x = 211,540 × 211,540
  4. Step 4: Simplify right side
    100,181x = 44,749,171,600
  5. Step 5: Solve for x
    x = 44,749,171,600/100,181
  6. Step 6: Final answer
    x = 446,683.22

Related Problems

Find third proportional to 50,090.50 and 105,770
Half scale
Find third proportional to 200,362 and 423,080
Double scale
Find third proportional to 100,183 and 211,544
Similar ratio
Find third proportional to 150,271.50 and 317,310
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.