Home / 171,186-381,711

Finding the Third Proportional to 171,186 and 381,711

Calculator

Solution

The third proportional to 171,186 and 381,711 is: 851,140.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,186 : 381,711 = 381,711 : x
  2. Step 2: Convert to fraction form
    171,186/381,711 = 381,711/x
  3. Step 3: Cross multiply
    171,186x = 381,711 × 381,711
  4. Step 4: Simplify right side
    171,186x = 145,703,287,521
  5. Step 5: Solve for x
    x = 145,703,287,521/171,186
  6. Step 6: Final answer
    x = 851,140.21

Related Problems

Find third proportional to 85,593 and 190,855.50
Half scale
Find third proportional to 342,372 and 763,422
Double scale
Find third proportional to 171,188 and 381,715
Similar ratio
Find third proportional to 256,779 and 572,566.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.