Home / 56,221-120,779

Finding the Third Proportional to 56,221 and 120,779

Calculator

Solution

The third proportional to 56,221 and 120,779 is: 259,468.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,221 : 120,779 = 120,779 : x
  2. Step 2: Convert to fraction form
    56,221/120,779 = 120,779/x
  3. Step 3: Cross multiply
    56,221x = 120,779 × 120,779
  4. Step 4: Simplify right side
    56,221x = 14,587,566,841
  5. Step 5: Solve for x
    x = 14,587,566,841/56,221
  6. Step 6: Final answer
    x = 259,468.29

Related Problems

Find third proportional to 28,110.50 and 60,389.50
Half scale
Find third proportional to 112,442 and 241,558
Double scale
Find third proportional to 56,223 and 120,783
Similar ratio
Find third proportional to 84,331.50 and 181,168.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.