Home / 336,742-522,821

Finding the Third Proportional to 336,742 and 522,821

Calculator

Solution

The third proportional to 336,742 and 522,821 is: 811,724.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,742 : 522,821 = 522,821 : x
  2. Step 2: Convert to fraction form
    336,742/522,821 = 522,821/x
  3. Step 3: Cross multiply
    336,742x = 522,821 × 522,821
  4. Step 4: Simplify right side
    336,742x = 273,341,798,041
  5. Step 5: Solve for x
    x = 273,341,798,041/336,742
  6. Step 6: Final answer
    x = 811,724.70

Related Problems

Find third proportional to 168,371 and 261,410.50
Half scale
Find third proportional to 673,484 and 1,045,642
Double scale
Find third proportional to 336,744 and 522,824
Similar ratio
Find third proportional to 505,113 and 784,231.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.