Home / 320,622-500,343

Finding the Third Proportional to 320,622 and 500,343

Calculator

Solution

The third proportional to 320,622 and 500,343 is: 780,804.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,622 : 500,343 = 500,343 : x
  2. Step 2: Convert to fraction form
    320,622/500,343 = 500,343/x
  3. Step 3: Cross multiply
    320,622x = 500,343 × 500,343
  4. Step 4: Simplify right side
    320,622x = 250,343,117,649
  5. Step 5: Solve for x
    x = 250,343,117,649/320,622
  6. Step 6: Final answer
    x = 780,804.55

Related Problems

Find third proportional to 160,311 and 250,171.50
Half scale
Find third proportional to 641,244 and 1,000,686
Double scale
Find third proportional to 320,624 and 500,346
Similar ratio
Find third proportional to 480,933 and 750,514.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.