Home / 13,911-30,378

Finding the Third Proportional to 13,911 and 30,378

Calculator

Solution

The third proportional to 13,911 and 30,378 is: 66,337.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911 : 30,378 = 30,378 : x
  2. Step 2: Convert to fraction form
    13,911/30,378 = 30,378/x
  3. Step 3: Cross multiply
    13,911x = 30,378 × 30,378
  4. Step 4: Simplify right side
    13,911x = 922,822,884
  5. Step 5: Solve for x
    x = 922,822,884/13,911
  6. Step 6: Final answer
    x = 66,337.64

Related Problems

Find third proportional to 6,955.50 and 15,189
Half scale
Find third proportional to 27,822 and 60,756
Double scale
Find third proportional to 13,913 and 30,382
Similar ratio
Find third proportional to 20,866.50 and 45,567
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.