Home / 145,342-313,622

Finding the Third Proportional to 145,342 and 313,622

Calculator

Solution

The third proportional to 145,342 and 313,622 is: 676,740.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,342 : 313,622 = 313,622 : x
  2. Step 2: Convert to fraction form
    145,342/313,622 = 313,622/x
  3. Step 3: Cross multiply
    145,342x = 313,622 × 313,622
  4. Step 4: Simplify right side
    145,342x = 98,358,758,884
  5. Step 5: Solve for x
    x = 98,358,758,884/145,342
  6. Step 6: Final answer
    x = 676,740.09

Related Problems

Find third proportional to 72,671 and 156,811
Half scale
Find third proportional to 290,684 and 627,244
Double scale
Find third proportional to 145,344 and 313,626
Similar ratio
Find third proportional to 218,013 and 470,433
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.