Home / 231,039-343,170

Finding the Third Proportional to 231,039 and 343,170

Calculator

Solution

The third proportional to 231,039 and 343,170 is: 509,721.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,039 : 343,170 = 343,170 : x
  2. Step 2: Convert to fraction form
    231,039/343,170 = 343,170/x
  3. Step 3: Cross multiply
    231,039x = 343,170 × 343,170
  4. Step 4: Simplify right side
    231,039x = 117,765,648,900
  5. Step 5: Solve for x
    x = 117,765,648,900/231,039
  6. Step 6: Final answer
    x = 509,721.95

Related Problems

Find third proportional to 115,519.50 and 171,585
Half scale
Find third proportional to 462,078 and 686,340
Double scale
Find third proportional to 231,041 and 343,173
Similar ratio
Find third proportional to 346,558.50 and 514,755
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.