Home / 40,086-77,100

Finding the Third Proportional to 40,086 and 77,100

Calculator

Solution

The third proportional to 40,086 and 77,100 is: 148,291.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,086 : 77,100 = 77,100 : x
  2. Step 2: Convert to fraction form
    40,086/77,100 = 77,100/x
  3. Step 3: Cross multiply
    40,086x = 77,100 × 77,100
  4. Step 4: Simplify right side
    40,086x = 5,944,410,000
  5. Step 5: Solve for x
    x = 5,944,410,000/40,086
  6. Step 6: Final answer
    x = 148,291.42

Related Problems

Find third proportional to 20,043 and 38,550
Half scale
Find third proportional to 80,172 and 154,200
Double scale
Find third proportional to 40,088 and 77,104
Similar ratio
Find third proportional to 60,129 and 115,650
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.