Home / 262,578-393,779

Finding the Third Proportional to 262,578 and 393,779

Calculator

Solution

The third proportional to 262,578 and 393,779 is: 590,536.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,578 : 393,779 = 393,779 : x
  2. Step 2: Convert to fraction form
    262,578/393,779 = 393,779/x
  3. Step 3: Cross multiply
    262,578x = 393,779 × 393,779
  4. Step 4: Simplify right side
    262,578x = 155,061,900,841
  5. Step 5: Solve for x
    x = 155,061,900,841/262,578
  6. Step 6: Final answer
    x = 590,536.53

Related Problems

Find third proportional to 131,289 and 196,889.50
Half scale
Find third proportional to 525,156 and 787,558
Double scale
Find third proportional to 262,580 and 393,782
Similar ratio
Find third proportional to 393,867 and 590,668.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.