Home / 67,879-149,141

Finding the Third Proportional to 67,879 and 149,141

Calculator

Solution

The third proportional to 67,879 and 149,141 is: 327,686.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,879 : 149,141 = 149,141 : x
  2. Step 2: Convert to fraction form
    67,879/149,141 = 149,141/x
  3. Step 3: Cross multiply
    67,879x = 149,141 × 149,141
  4. Step 4: Simplify right side
    67,879x = 22,243,037,881
  5. Step 5: Solve for x
    x = 22,243,037,881/67,879
  6. Step 6: Final answer
    x = 327,686.59

Related Problems

Find third proportional to 33,939.50 and 74,570.50
Half scale
Find third proportional to 135,758 and 298,282
Double scale
Find third proportional to 67,881 and 149,145
Similar ratio
Find third proportional to 101,818.50 and 223,711.50
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.