Home / 170,208-259,920

Finding the Third Proportional to 170,208 and 259,920

Calculator

Solution

The third proportional to 170,208 and 259,920 is: 396,916.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,208 : 259,920 = 259,920 : x
  2. Step 2: Convert to fraction form
    170,208/259,920 = 259,920/x
  3. Step 3: Cross multiply
    170,208x = 259,920 × 259,920
  4. Step 4: Simplify right side
    170,208x = 67,558,406,400
  5. Step 5: Solve for x
    x = 67,558,406,400/170,208
  6. Step 6: Final answer
    x = 396,916.75

Related Problems

Find third proportional to 85,104 and 129,960
Half scale
Find third proportional to 340,416 and 519,840
Double scale
Find third proportional to 170,210 and 259,923
Similar ratio
Find third proportional to 255,312 and 389,880
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.