Home / 402,382-603,622

Finding the Third Proportional to 402,382 and 603,622

Calculator

Solution

The third proportional to 402,382 and 603,622 is: 905,506.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,382 : 603,622 = 603,622 : x
  2. Step 2: Convert to fraction form
    402,382/603,622 = 603,622/x
  3. Step 3: Cross multiply
    402,382x = 603,622 × 603,622
  4. Step 4: Simplify right side
    402,382x = 364,359,518,884
  5. Step 5: Solve for x
    x = 364,359,518,884/402,382
  6. Step 6: Final answer
    x = 905,506.51

Related Problems

Find third proportional to 201,191 and 301,811
Half scale
Find third proportional to 804,764 and 1,207,244
Double scale
Find third proportional to 402,384 and 603,625
Similar ratio
Find third proportional to 603,573 and 905,433
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.