Home / 218,694-337,356

Finding the Third Proportional to 218,694 and 337,356

Calculator

Solution

The third proportional to 218,694 and 337,356 is: 520,403.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,694 : 337,356 = 337,356 : x
  2. Step 2: Convert to fraction form
    218,694/337,356 = 337,356/x
  3. Step 3: Cross multiply
    218,694x = 337,356 × 337,356
  4. Step 4: Simplify right side
    218,694x = 113,809,070,736
  5. Step 5: Solve for x
    x = 113,809,070,736/218,694
  6. Step 6: Final answer
    x = 520,403.26

Related Problems

Find third proportional to 109,347 and 168,678
Half scale
Find third proportional to 437,388 and 674,712
Double scale
Find third proportional to 218,696 and 337,359
Similar ratio
Find third proportional to 328,041 and 506,034
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.