Home / 50,712.19-78,939

Finding the Third Proportional to 50,712.19 and 78,939

Calculator

Solution

The third proportional to 50,712.19 and 78,939 is: 122,877.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,712.19 : 78,939 = 78,939 : x
  2. Step 2: Convert to fraction form
    50,712.19/78,939 = 78,939/x
  3. Step 3: Cross multiply
    50,712.19x = 78,939 × 78,939
  4. Step 4: Simplify right side
    50,712.19x = 6,231,365,721
  5. Step 5: Solve for x
    x = 6,231,365,721/50,712.19
  6. Step 6: Final answer
    x = 122,877.08

Related Problems

Find third proportional to 25,356.09 and 39,469.50
Half scale
Find third proportional to 101,424.38 and 157,878
Double scale
Find third proportional to 50,714 and 78,942
Similar ratio
Find third proportional to 76,068.28 and 118,408.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.