Home / 299,430-450,360

Finding the Third Proportional to 299,430 and 450,360

Calculator

Solution

The third proportional to 299,430 and 450,360 is: 677,367.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,430 : 450,360 = 450,360 : x
  2. Step 2: Convert to fraction form
    299,430/450,360 = 450,360/x
  3. Step 3: Cross multiply
    299,430x = 450,360 × 450,360
  4. Step 4: Simplify right side
    299,430x = 202,824,129,600
  5. Step 5: Solve for x
    x = 202,824,129,600/299,430
  6. Step 6: Final answer
    x = 677,367.43

Related Problems

Find third proportional to 149,715 and 225,180
Half scale
Find third proportional to 598,860 and 900,720
Double scale
Find third proportional to 299,432 and 450,363
Similar ratio
Find third proportional to 449,145 and 675,540
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.