Home / 14,428-31,378

Finding the Third Proportional to 14,428 and 31,378

Calculator

Solution

The third proportional to 14,428 and 31,378 is: 68,240.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428 : 31,378 = 31,378 : x
  2. Step 2: Convert to fraction form
    14,428/31,378 = 31,378/x
  3. Step 3: Cross multiply
    14,428x = 31,378 × 31,378
  4. Step 4: Simplify right side
    14,428x = 984,578,884
  5. Step 5: Solve for x
    x = 984,578,884/14,428
  6. Step 6: Final answer
    x = 68,240.84

Related Problems

Find third proportional to 7,214 and 15,689
Half scale
Find third proportional to 28,856 and 62,756
Double scale
Find third proportional to 14,430 and 31,382
Similar ratio
Find third proportional to 21,642 and 47,067
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.