Home / 604-676

Finding the Third Proportional to 604 and 676

Calculator

Solution

The third proportional to 604 and 676 is: 756.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    604 : 676 = 676 : x
  2. Step 2: Convert to fraction form
    604/676 = 676/x
  3. Step 3: Cross multiply
    604x = 676 × 676
  4. Step 4: Simplify right side
    604x = 456,976
  5. Step 5: Solve for x
    x = 456,976/604
  6. Step 6: Final answer
    x = 756.58

Related Problems

Find third proportional to 302 and 338
Half scale
Find third proportional to 1,208 and 1,352
Double scale
Find third proportional to 606 and 678
Similar ratio
Find third proportional to 906 and 1,014
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.