Home / 80,580-120,942

Finding the Third Proportional to 80,580 and 120,942

Calculator

Solution

The third proportional to 80,580 and 120,942 is: 181,521.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,580 : 120,942 = 120,942 : x
  2. Step 2: Convert to fraction form
    80,580/120,942 = 120,942/x
  3. Step 3: Cross multiply
    80,580x = 120,942 × 120,942
  4. Step 4: Simplify right side
    80,580x = 14,626,967,364
  5. Step 5: Solve for x
    x = 14,626,967,364/80,580
  6. Step 6: Final answer
    x = 181,521.06

Related Problems

Find third proportional to 40,290 and 60,471
Half scale
Find third proportional to 161,160 and 241,884
Double scale
Find third proportional to 80,582 and 120,945
Similar ratio
Find third proportional to 120,870 and 181,413
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.