Home / 100,578-220,484

Finding the Third Proportional to 100,578 and 220,484

Calculator

Solution

The third proportional to 100,578 and 220,484 is: 483,338.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,578 : 220,484 = 220,484 : x
  2. Step 2: Convert to fraction form
    100,578/220,484 = 220,484/x
  3. Step 3: Cross multiply
    100,578x = 220,484 × 220,484
  4. Step 4: Simplify right side
    100,578x = 48,613,194,256
  5. Step 5: Solve for x
    x = 48,613,194,256/100,578
  6. Step 6: Final answer
    x = 483,338.25

Related Problems

Find third proportional to 50,289 and 110,242
Half scale
Find third proportional to 201,156 and 440,968
Double scale
Find third proportional to 100,580 and 220,488
Similar ratio
Find third proportional to 150,867 and 330,726
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.