Home / 50,392-78,378

Finding the Third Proportional to 50,392 and 78,378

Calculator

Solution

The third proportional to 50,392 and 78,378 is: 121,906.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,392 : 78,378 = 78,378 : x
  2. Step 2: Convert to fraction form
    50,392/78,378 = 78,378/x
  3. Step 3: Cross multiply
    50,392x = 78,378 × 78,378
  4. Step 4: Simplify right side
    50,392x = 6,143,110,884
  5. Step 5: Solve for x
    x = 6,143,110,884/50,392
  6. Step 6: Final answer
    x = 121,906.47

Related Problems

Find third proportional to 25,196 and 39,189
Half scale
Find third proportional to 100,784 and 156,756
Double scale
Find third proportional to 50,394 and 78,381
Similar ratio
Find third proportional to 75,588 and 117,567
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.