Home / 31,879-70,192

Finding the Third Proportional to 31,879 and 70,192

Calculator

Solution

The third proportional to 31,879 and 70,192 is: 154,550.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,879 : 70,192 = 70,192 : x
  2. Step 2: Convert to fraction form
    31,879/70,192 = 70,192/x
  3. Step 3: Cross multiply
    31,879x = 70,192 × 70,192
  4. Step 4: Simplify right side
    31,879x = 4,926,916,864
  5. Step 5: Solve for x
    x = 4,926,916,864/31,879
  6. Step 6: Final answer
    x = 154,550.55

Related Problems

Find third proportional to 15,939.50 and 35,096
Half scale
Find third proportional to 63,758 and 140,384
Double scale
Find third proportional to 31,881 and 70,196
Similar ratio
Find third proportional to 47,818.50 and 105,288
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.