Home / 215,824-338,564

Finding the Third Proportional to 215,824 and 338,564

Calculator

Solution

The third proportional to 215,824 and 338,564 is: 531,106.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,824 : 338,564 = 338,564 : x
  2. Step 2: Convert to fraction form
    215,824/338,564 = 338,564/x
  3. Step 3: Cross multiply
    215,824x = 338,564 × 338,564
  4. Step 4: Simplify right side
    215,824x = 114,625,582,096
  5. Step 5: Solve for x
    x = 114,625,582,096/215,824
  6. Step 6: Final answer
    x = 531,106.74

Related Problems

Find third proportional to 107,912 and 169,282
Half scale
Find third proportional to 431,648 and 677,128
Double scale
Find third proportional to 215,826 and 338,567
Similar ratio
Find third proportional to 323,736 and 507,846
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.