Home / 389,016-591,519

Finding the Third Proportional to 389,016 and 591,519

Calculator

Solution

The third proportional to 389,016 and 591,519 is: 899,435.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,016 : 591,519 = 591,519 : x
  2. Step 2: Convert to fraction form
    389,016/591,519 = 591,519/x
  3. Step 3: Cross multiply
    389,016x = 591,519 × 591,519
  4. Step 4: Simplify right side
    389,016x = 349,894,727,361
  5. Step 5: Solve for x
    x = 349,894,727,361/389,016
  6. Step 6: Final answer
    x = 899,435.31

Related Problems

Find third proportional to 194,508 and 295,759.50
Half scale
Find third proportional to 778,032 and 1,183,038
Double scale
Find third proportional to 389,018 and 591,522
Similar ratio
Find third proportional to 583,524 and 887,278.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.