Home / 77,787-151,686

Finding the Third Proportional to 77,787 and 151,686

Calculator

Solution

The third proportional to 77,787 and 151,686 is: 295,790.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,787 : 151,686 = 151,686 : x
  2. Step 2: Convert to fraction form
    77,787/151,686 = 151,686/x
  3. Step 3: Cross multiply
    77,787x = 151,686 × 151,686
  4. Step 4: Simplify right side
    77,787x = 23,008,642,596
  5. Step 5: Solve for x
    x = 23,008,642,596/77,787
  6. Step 6: Final answer
    x = 295,790.33

Related Problems

Find third proportional to 38,893.50 and 75,843
Half scale
Find third proportional to 155,574 and 303,372
Double scale
Find third proportional to 77,789 and 151,690
Similar ratio
Find third proportional to 116,680.50 and 227,529
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.