Home / 145,493-313,922

Finding the Third Proportional to 145,493 and 313,922

Calculator

Solution

The third proportional to 145,493 and 313,922 is: 677,331.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,493 : 313,922 = 313,922 : x
  2. Step 2: Convert to fraction form
    145,493/313,922 = 313,922/x
  3. Step 3: Cross multiply
    145,493x = 313,922 × 313,922
  4. Step 4: Simplify right side
    145,493x = 98,547,022,084
  5. Step 5: Solve for x
    x = 98,547,022,084/145,493
  6. Step 6: Final answer
    x = 677,331.71

Related Problems

Find third proportional to 72,746.50 and 156,961
Half scale
Find third proportional to 290,986 and 627,844
Double scale
Find third proportional to 145,495 and 313,926
Similar ratio
Find third proportional to 218,239.50 and 470,883
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.