Home / 156,409.50-343,923

Finding the Third Proportional to 156,409.50 and 343,923

Calculator

Solution

The third proportional to 156,409.50 and 343,923 is: 756,239.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,409.50 : 343,923 = 343,923 : x
  2. Step 2: Convert to fraction form
    156,409.50/343,923 = 343,923/x
  3. Step 3: Cross multiply
    156,409.50x = 343,923 × 343,923
  4. Step 4: Simplify right side
    156,409.50x = 118,283,029,929
  5. Step 5: Solve for x
    x = 118,283,029,929/156,409.50
  6. Step 6: Final answer
    x = 756,239.42

Related Problems

Find third proportional to 78,204.75 and 171,961.50
Half scale
Find third proportional to 312,819 and 687,846
Double scale
Find third proportional to 156,412 and 343,927
Similar ratio
Find third proportional to 234,614.25 and 515,884.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.