Home / 777.75-1,425

Finding the Third Proportional to 777.75 and 1,425

Calculator

Solution

The third proportional to 777.75 and 1,425 is: 2,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    777.75 : 1,425 = 1,425 : x
  2. Step 2: Convert to fraction form
    777.75/1,425 = 1,425/x
  3. Step 3: Cross multiply
    777.75x = 1,425 × 1,425
  4. Step 4: Simplify right side
    777.75x = 2,030,625
  5. Step 5: Solve for x
    x = 2,030,625/777.75
  6. Step 6: Final answer
    x = 2,610.90

Related Problems

Find third proportional to 388.88 and 712.50
Half scale
Find third proportional to 1,555.50 and 2,850
Double scale
Find third proportional to 780 and 1,429
Similar ratio
Find third proportional to 1,166.63 and 2,137.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.83) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.