Home / 55,689-120,135

Finding the Third Proportional to 55,689 and 120,135

Calculator

Solution

The third proportional to 55,689 and 120,135 is: 259,161.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,689 : 120,135 = 120,135 : x
  2. Step 2: Convert to fraction form
    55,689/120,135 = 120,135/x
  3. Step 3: Cross multiply
    55,689x = 120,135 × 120,135
  4. Step 4: Simplify right side
    55,689x = 14,432,418,225
  5. Step 5: Solve for x
    x = 14,432,418,225/55,689
  6. Step 6: Final answer
    x = 259,161.02

Related Problems

Find third proportional to 27,844.50 and 60,067.50
Half scale
Find third proportional to 111,378 and 240,270
Double scale
Find third proportional to 55,691 and 120,139
Similar ratio
Find third proportional to 83,533.50 and 180,202.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.