Home / 156,558-209,723

Finding the Third Proportional to 156,558 and 209,723

Calculator

Solution

The third proportional to 156,558 and 209,723 is: 280,942.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,558 : 209,723 = 209,723 : x
  2. Step 2: Convert to fraction form
    156,558/209,723 = 209,723/x
  3. Step 3: Cross multiply
    156,558x = 209,723 × 209,723
  4. Step 4: Simplify right side
    156,558x = 43,983,736,729
  5. Step 5: Solve for x
    x = 43,983,736,729/156,558
  6. Step 6: Final answer
    x = 280,942.12

Related Problems

Find third proportional to 78,279 and 104,861.50
Half scale
Find third proportional to 313,116 and 419,446
Double scale
Find third proportional to 156,560 and 209,726
Similar ratio
Find third proportional to 234,837 and 314,584.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.