Home / 57,378-77,107

Finding the Third Proportional to 57,378 and 77,107

Calculator

Solution

The third proportional to 57,378 and 77,107 is: 103,619.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,378 : 77,107 = 77,107 : x
  2. Step 2: Convert to fraction form
    57,378/77,107 = 77,107/x
  3. Step 3: Cross multiply
    57,378x = 77,107 × 77,107
  4. Step 4: Simplify right side
    57,378x = 5,945,489,449
  5. Step 5: Solve for x
    x = 5,945,489,449/57,378
  6. Step 6: Final answer
    x = 103,619.67

Related Problems

Find third proportional to 28,689 and 38,553.50
Half scale
Find third proportional to 114,756 and 154,214
Double scale
Find third proportional to 57,380 and 77,110
Similar ratio
Find third proportional to 86,067 and 115,660.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.