Home / 299,714-627,136

Finding the Third Proportional to 299,714 and 627,136

Calculator

Solution

The third proportional to 299,714 and 627,136 is: 1,312,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,714 : 627,136 = 627,136 : x
  2. Step 2: Convert to fraction form
    299,714/627,136 = 627,136/x
  3. Step 3: Cross multiply
    299,714x = 627,136 × 627,136
  4. Step 4: Simplify right side
    299,714x = 393,299,562,496
  5. Step 5: Solve for x
    x = 393,299,562,496/299,714
  6. Step 6: Final answer
    x = 1,312,249.55

Related Problems

Find third proportional to 149,857 and 313,568
Half scale
Find third proportional to 599,428 and 1,254,272
Double scale
Find third proportional to 299,716 and 627,140
Similar ratio
Find third proportional to 449,571 and 940,704
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.