Home / 335,758-721,208

Finding the Third Proportional to 335,758 and 721,208

Calculator

Solution

The third proportional to 335,758 and 721,208 is: 1,549,154.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,758 : 721,208 = 721,208 : x
  2. Step 2: Convert to fraction form
    335,758/721,208 = 721,208/x
  3. Step 3: Cross multiply
    335,758x = 721,208 × 721,208
  4. Step 4: Simplify right side
    335,758x = 520,140,979,264
  5. Step 5: Solve for x
    x = 520,140,979,264/335,758
  6. Step 6: Final answer
    x = 1,549,154.39

Related Problems

Find third proportional to 167,879 and 360,604
Half scale
Find third proportional to 671,516 and 1,442,416
Double scale
Find third proportional to 335,760 and 721,212
Similar ratio
Find third proportional to 503,637 and 1,081,812
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.