Home / 311,027-422,037

Finding the Third Proportional to 311,027 and 422,037

Calculator

Solution

The third proportional to 311,027 and 422,037 is: 572,668.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,027 : 422,037 = 422,037 : x
  2. Step 2: Convert to fraction form
    311,027/422,037 = 422,037/x
  3. Step 3: Cross multiply
    311,027x = 422,037 × 422,037
  4. Step 4: Simplify right side
    311,027x = 178,115,229,369
  5. Step 5: Solve for x
    x = 178,115,229,369/311,027
  6. Step 6: Final answer
    x = 572,668.06

Related Problems

Find third proportional to 155,513.50 and 211,018.50
Half scale
Find third proportional to 622,054 and 844,074
Double scale
Find third proportional to 311,029 and 422,040
Similar ratio
Find third proportional to 466,540.50 and 633,055.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.