Home / 331,242-513,858

Finding the Third Proportional to 331,242 and 513,858

Calculator

Solution

The third proportional to 331,242 and 513,858 is: 797,151.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,242 : 513,858 = 513,858 : x
  2. Step 2: Convert to fraction form
    331,242/513,858 = 513,858/x
  3. Step 3: Cross multiply
    331,242x = 513,858 × 513,858
  4. Step 4: Simplify right side
    331,242x = 264,050,044,164
  5. Step 5: Solve for x
    x = 264,050,044,164/331,242
  6. Step 6: Final answer
    x = 797,151.46

Related Problems

Find third proportional to 165,621 and 256,929
Half scale
Find third proportional to 662,484 and 1,027,716
Double scale
Find third proportional to 331,244 and 513,861
Similar ratio
Find third proportional to 496,863 and 770,787
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.