Home / 339,589-459,560

Finding the Third Proportional to 339,589 and 459,560

Calculator

Solution

The third proportional to 339,589 and 459,560 is: 621,914.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,589 : 459,560 = 459,560 : x
  2. Step 2: Convert to fraction form
    339,589/459,560 = 459,560/x
  3. Step 3: Cross multiply
    339,589x = 459,560 × 459,560
  4. Step 4: Simplify right side
    339,589x = 211,195,393,600
  5. Step 5: Solve for x
    x = 211,195,393,600/339,589
  6. Step 6: Final answer
    x = 621,914.71

Related Problems

Find third proportional to 169,794.50 and 229,780
Half scale
Find third proportional to 679,178 and 919,120
Double scale
Find third proportional to 339,591 and 459,563
Similar ratio
Find third proportional to 509,383.50 and 689,340
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.