Home / 84,360-171,144

Finding the Third Proportional to 84,360 and 171,144

Calculator

Solution

The third proportional to 84,360 and 171,144 is: 347,205.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,360 : 171,144 = 171,144 : x
  2. Step 2: Convert to fraction form
    84,360/171,144 = 171,144/x
  3. Step 3: Cross multiply
    84,360x = 171,144 × 171,144
  4. Step 4: Simplify right side
    84,360x = 29,290,268,736
  5. Step 5: Solve for x
    x = 29,290,268,736/84,360
  6. Step 6: Final answer
    x = 347,205.65

Related Problems

Find third proportional to 42,180 and 85,572
Half scale
Find third proportional to 168,720 and 342,288
Double scale
Find third proportional to 84,362 and 171,148
Similar ratio
Find third proportional to 126,540 and 256,716
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.