Home / 55,989-121,005

Finding the Third Proportional to 55,989 and 121,005

Calculator

Solution

The third proportional to 55,989 and 121,005 is: 261,519.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,989 : 121,005 = 121,005 : x
  2. Step 2: Convert to fraction form
    55,989/121,005 = 121,005/x
  3. Step 3: Cross multiply
    55,989x = 121,005 × 121,005
  4. Step 4: Simplify right side
    55,989x = 14,642,210,025
  5. Step 5: Solve for x
    x = 14,642,210,025/55,989
  6. Step 6: Final answer
    x = 261,519.41

Related Problems

Find third proportional to 27,994.50 and 60,502.50
Half scale
Find third proportional to 111,978 and 242,010
Double scale
Find third proportional to 55,991 and 121,009
Similar ratio
Find third proportional to 83,983.50 and 181,507.50
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.