Home / 171,195-257,319

Finding the Third Proportional to 171,195 and 257,319

Calculator

Solution

The third proportional to 171,195 and 257,319 is: 386,769.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,195 : 257,319 = 257,319 : x
  2. Step 2: Convert to fraction form
    171,195/257,319 = 257,319/x
  3. Step 3: Cross multiply
    171,195x = 257,319 × 257,319
  4. Step 4: Simplify right side
    171,195x = 66,213,067,761
  5. Step 5: Solve for x
    x = 66,213,067,761/171,195
  6. Step 6: Final answer
    x = 386,769.87

Related Problems

Find third proportional to 85,597.50 and 128,659.50
Half scale
Find third proportional to 342,390 and 514,638
Double scale
Find third proportional to 171,197 and 257,322
Similar ratio
Find third proportional to 256,792.50 and 385,978.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.