Home / 64,931-135,055

Finding the Third Proportional to 64,931 and 135,055

Calculator

Solution

The third proportional to 64,931 and 135,055 is: 280,911.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,931 : 135,055 = 135,055 : x
  2. Step 2: Convert to fraction form
    64,931/135,055 = 135,055/x
  3. Step 3: Cross multiply
    64,931x = 135,055 × 135,055
  4. Step 4: Simplify right side
    64,931x = 18,239,853,025
  5. Step 5: Solve for x
    x = 18,239,853,025/64,931
  6. Step 6: Final answer
    x = 280,911.32

Related Problems

Find third proportional to 32,465.50 and 67,527.50
Half scale
Find third proportional to 129,862 and 270,110
Double scale
Find third proportional to 64,933 and 135,059
Similar ratio
Find third proportional to 97,396.50 and 202,582.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.