Home / 80,263-189,811

Finding the Third Proportional to 80,263 and 189,811

Calculator

Solution

The third proportional to 80,263 and 189,811 is: 448,877.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,263 : 189,811 = 189,811 : x
  2. Step 2: Convert to fraction form
    80,263/189,811 = 189,811/x
  3. Step 3: Cross multiply
    80,263x = 189,811 × 189,811
  4. Step 4: Simplify right side
    80,263x = 36,028,215,721
  5. Step 5: Solve for x
    x = 36,028,215,721/80,263
  6. Step 6: Final answer
    x = 448,877.01

Related Problems

Find third proportional to 40,131.50 and 94,905.50
Half scale
Find third proportional to 160,526 and 379,622
Double scale
Find third proportional to 80,265 and 189,816
Similar ratio
Find third proportional to 120,394.50 and 284,716.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.