Home / 109,514-121,034

Finding the Third Proportional to 109,514 and 121,034

Calculator

Solution

The third proportional to 109,514 and 121,034 is: 133,765.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,514 : 121,034 = 121,034 : x
  2. Step 2: Convert to fraction form
    109,514/121,034 = 121,034/x
  3. Step 3: Cross multiply
    109,514x = 121,034 × 121,034
  4. Step 4: Simplify right side
    109,514x = 14,649,229,156
  5. Step 5: Solve for x
    x = 14,649,229,156/109,514
  6. Step 6: Final answer
    x = 133,765.81

Related Problems

Find third proportional to 54,757 and 60,517
Half scale
Find third proportional to 219,028 and 242,068
Double scale
Find third proportional to 109,516 and 121,036
Similar ratio
Find third proportional to 164,271 and 181,551
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.