Home / 343,589-513,796

Finding the Third Proportional to 343,589 and 513,796

Calculator

Solution

The third proportional to 343,589 and 513,796 is: 768,320.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,589 : 513,796 = 513,796 : x
  2. Step 2: Convert to fraction form
    343,589/513,796 = 513,796/x
  3. Step 3: Cross multiply
    343,589x = 513,796 × 513,796
  4. Step 4: Simplify right side
    343,589x = 263,986,329,616
  5. Step 5: Solve for x
    x = 263,986,329,616/343,589
  6. Step 6: Final answer
    x = 768,320.08

Related Problems

Find third proportional to 171,794.50 and 256,898
Half scale
Find third proportional to 687,178 and 1,027,592
Double scale
Find third proportional to 343,591 and 513,799
Similar ratio
Find third proportional to 515,383.50 and 770,694
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.