Home / 121,372-181,118

Finding the Third Proportional to 121,372 and 181,118

Calculator

Solution

The third proportional to 121,372 and 181,118 is: 270,274.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,372 : 181,118 = 181,118 : x
  2. Step 2: Convert to fraction form
    121,372/181,118 = 181,118/x
  3. Step 3: Cross multiply
    121,372x = 181,118 × 181,118
  4. Step 4: Simplify right side
    121,372x = 32,803,729,924
  5. Step 5: Solve for x
    x = 32,803,729,924/121,372
  6. Step 6: Final answer
    x = 270,274.28

Related Problems

Find third proportional to 60,686 and 90,559
Half scale
Find third proportional to 242,744 and 362,236
Double scale
Find third proportional to 121,374 and 181,121
Similar ratio
Find third proportional to 182,058 and 271,677
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.