Home / 68,680-144,863

Finding the Third Proportional to 68,680 and 144,863

Calculator

Solution

The third proportional to 68,680 and 144,863 is: 305,551.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,680 : 144,863 = 144,863 : x
  2. Step 2: Convert to fraction form
    68,680/144,863 = 144,863/x
  3. Step 3: Cross multiply
    68,680x = 144,863 × 144,863
  4. Step 4: Simplify right side
    68,680x = 20,985,288,769
  5. Step 5: Solve for x
    x = 20,985,288,769/68,680
  6. Step 6: Final answer
    x = 305,551.67

Related Problems

Find third proportional to 34,340 and 72,431.50
Half scale
Find third proportional to 137,360 and 289,726
Double scale
Find third proportional to 68,682 and 144,867
Similar ratio
Find third proportional to 103,020 and 217,294.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.