Home / 81,252-121,878

Finding the Third Proportional to 81,252 and 121,878

Calculator

Solution

The third proportional to 81,252 and 121,878 is: 182,817

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,252 : 121,878 = 121,878 : x
  2. Step 2: Convert to fraction form
    81,252/121,878 = 121,878/x
  3. Step 3: Cross multiply
    81,252x = 121,878 × 121,878
  4. Step 4: Simplify right side
    81,252x = 14,854,246,884
  5. Step 5: Solve for x
    x = 14,854,246,884/81,252
  6. Step 6: Final answer
    x = 182,817

Related Problems

Find third proportional to 40,626 and 60,939
Half scale
Find third proportional to 162,504 and 243,756
Double scale
Find third proportional to 81,254 and 121,881
Similar ratio
Find third proportional to 121,878 and 182,817
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.