Home / 280,528-603,824

Finding the Third Proportional to 280,528 and 603,824

Calculator

Solution

The third proportional to 280,528 and 603,824 is: 1,299,704.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,528 : 603,824 = 603,824 : x
  2. Step 2: Convert to fraction form
    280,528/603,824 = 603,824/x
  3. Step 3: Cross multiply
    280,528x = 603,824 × 603,824
  4. Step 4: Simplify right side
    280,528x = 364,603,422,976
  5. Step 5: Solve for x
    x = 364,603,422,976/280,528
  6. Step 6: Final answer
    x = 1,299,704.21

Related Problems

Find third proportional to 140,264 and 301,912
Half scale
Find third proportional to 561,056 and 1,207,648
Double scale
Find third proportional to 280,530 and 603,828
Similar ratio
Find third proportional to 420,792 and 905,736
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.