Home / 57,106-90,939

Finding the Third Proportional to 57,106 and 90,939

Calculator

Solution

The third proportional to 57,106 and 90,939 is: 144,816.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,106 : 90,939 = 90,939 : x
  2. Step 2: Convert to fraction form
    57,106/90,939 = 90,939/x
  3. Step 3: Cross multiply
    57,106x = 90,939 × 90,939
  4. Step 4: Simplify right side
    57,106x = 8,269,901,721
  5. Step 5: Solve for x
    x = 8,269,901,721/57,106
  6. Step 6: Final answer
    x = 144,816.69

Related Problems

Find third proportional to 28,553 and 45,469.50
Half scale
Find third proportional to 114,212 and 181,878
Double scale
Find third proportional to 57,108 and 90,942
Similar ratio
Find third proportional to 85,659 and 136,408.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.