Home / 63,446-137,821

Finding the Third Proportional to 63,446 and 137,821

Calculator

Solution

The third proportional to 63,446 and 137,821 is: 299,382.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,446 : 137,821 = 137,821 : x
  2. Step 2: Convert to fraction form
    63,446/137,821 = 137,821/x
  3. Step 3: Cross multiply
    63,446x = 137,821 × 137,821
  4. Step 4: Simplify right side
    63,446x = 18,994,628,041
  5. Step 5: Solve for x
    x = 18,994,628,041/63,446
  6. Step 6: Final answer
    x = 299,382.59

Related Problems

Find third proportional to 31,723 and 68,910.50
Half scale
Find third proportional to 126,892 and 275,642
Double scale
Find third proportional to 63,448 and 137,825
Similar ratio
Find third proportional to 95,169 and 206,731.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.