Home / 279,612-607,824

Finding the Third Proportional to 279,612 and 607,824

Calculator

Solution

The third proportional to 279,612 and 607,824 is: 1,321,295.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,612 : 607,824 = 607,824 : x
  2. Step 2: Convert to fraction form
    279,612/607,824 = 607,824/x
  3. Step 3: Cross multiply
    279,612x = 607,824 × 607,824
  4. Step 4: Simplify right side
    279,612x = 369,450,014,976
  5. Step 5: Solve for x
    x = 369,450,014,976/279,612
  6. Step 6: Final answer
    x = 1,321,295.28

Related Problems

Find third proportional to 139,806 and 303,912
Half scale
Find third proportional to 559,224 and 1,215,648
Double scale
Find third proportional to 279,614 and 607,828
Similar ratio
Find third proportional to 419,418 and 911,736
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.