Home / 156,971-343,604

Finding the Third Proportional to 156,971 and 343,604

Calculator

Solution

The third proportional to 156,971 and 343,604 is: 752,137.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,971 : 343,604 = 343,604 : x
  2. Step 2: Convert to fraction form
    156,971/343,604 = 343,604/x
  3. Step 3: Cross multiply
    156,971x = 343,604 × 343,604
  4. Step 4: Simplify right side
    156,971x = 118,063,708,816
  5. Step 5: Solve for x
    x = 118,063,708,816/156,971
  6. Step 6: Final answer
    x = 752,137.08

Related Problems

Find third proportional to 78,485.50 and 171,802
Half scale
Find third proportional to 313,942 and 687,208
Double scale
Find third proportional to 156,973 and 343,608
Similar ratio
Find third proportional to 235,456.50 and 515,406
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.