Home / 223,712-338,828

Finding the Third Proportional to 223,712 and 338,828

Calculator

Solution

The third proportional to 223,712 and 338,828 is: 513,179.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,712 : 338,828 = 338,828 : x
  2. Step 2: Convert to fraction form
    223,712/338,828 = 338,828/x
  3. Step 3: Cross multiply
    223,712x = 338,828 × 338,828
  4. Step 4: Simplify right side
    223,712x = 114,804,413,584
  5. Step 5: Solve for x
    x = 114,804,413,584/223,712
  6. Step 6: Final answer
    x = 513,179.51

Related Problems

Find third proportional to 111,856 and 169,414
Half scale
Find third proportional to 447,424 and 677,656
Double scale
Find third proportional to 223,714 and 338,831
Similar ratio
Find third proportional to 335,568 and 508,242
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.