Home / 13,378-20,065

Finding the Third Proportional to 13,378 and 20,065

Calculator

Solution

The third proportional to 13,378 and 20,065 is: 30,094.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,378 : 20,065 = 20,065 : x
  2. Step 2: Convert to fraction form
    13,378/20,065 = 20,065/x
  3. Step 3: Cross multiply
    13,378x = 20,065 × 20,065
  4. Step 4: Simplify right side
    13,378x = 402,604,225
  5. Step 5: Solve for x
    x = 402,604,225/13,378
  6. Step 6: Final answer
    x = 30,094.50

Related Problems

Find third proportional to 6,689 and 10,032.50
Half scale
Find third proportional to 26,756 and 40,130
Double scale
Find third proportional to 13,380 and 20,068
Similar ratio
Find third proportional to 20,067 and 30,097.50
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.