Home / 250,450-388,403

Finding the Third Proportional to 250,450 and 388,403

Calculator

Solution

The third proportional to 250,450 and 388,403 is: 602,343.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,450 : 388,403 = 388,403 : x
  2. Step 2: Convert to fraction form
    250,450/388,403 = 388,403/x
  3. Step 3: Cross multiply
    250,450x = 388,403 × 388,403
  4. Step 4: Simplify right side
    250,450x = 150,856,890,409
  5. Step 5: Solve for x
    x = 150,856,890,409/250,450
  6. Step 6: Final answer
    x = 602,343.34

Related Problems

Find third proportional to 125,225 and 194,201.50
Half scale
Find third proportional to 500,900 and 776,806
Double scale
Find third proportional to 250,452 and 388,406
Similar ratio
Find third proportional to 375,675 and 582,604.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.