Home / 81,126-121,014

Finding the Third Proportional to 81,126 and 121,014

Calculator

Solution

The third proportional to 81,126 and 121,014 is: 180,514.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,126 : 121,014 = 121,014 : x
  2. Step 2: Convert to fraction form
    81,126/121,014 = 121,014/x
  3. Step 3: Cross multiply
    81,126x = 121,014 × 121,014
  4. Step 4: Simplify right side
    81,126x = 14,644,388,196
  5. Step 5: Solve for x
    x = 14,644,388,196/81,126
  6. Step 6: Final answer
    x = 180,514.12

Related Problems

Find third proportional to 40,563 and 60,507
Half scale
Find third proportional to 162,252 and 242,028
Double scale
Find third proportional to 81,128 and 121,017
Similar ratio
Find third proportional to 121,689 and 181,521
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.