Home / 135,986-291,638

Finding the Third Proportional to 135,986 and 291,638

Calculator

Solution

The third proportional to 135,986 and 291,638 is: 625,452.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,986 : 291,638 = 291,638 : x
  2. Step 2: Convert to fraction form
    135,986/291,638 = 291,638/x
  3. Step 3: Cross multiply
    135,986x = 291,638 × 291,638
  4. Step 4: Simplify right side
    135,986x = 85,052,723,044
  5. Step 5: Solve for x
    x = 85,052,723,044/135,986
  6. Step 6: Final answer
    x = 625,452.05

Related Problems

Find third proportional to 67,993 and 145,819
Half scale
Find third proportional to 271,972 and 583,276
Double scale
Find third proportional to 135,988 and 291,642
Similar ratio
Find third proportional to 203,979 and 437,457
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.