Home / 397,168-851,216

Finding the Third Proportional to 397,168 and 851,216

Calculator

Solution

The third proportional to 397,168 and 851,216 is: 1,824,338.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,168 : 851,216 = 851,216 : x
  2. Step 2: Convert to fraction form
    397,168/851,216 = 851,216/x
  3. Step 3: Cross multiply
    397,168x = 851,216 × 851,216
  4. Step 4: Simplify right side
    397,168x = 724,568,678,656
  5. Step 5: Solve for x
    x = 724,568,678,656/397,168
  6. Step 6: Final answer
    x = 1,824,338.01

Related Problems

Find third proportional to 198,584 and 425,608
Half scale
Find third proportional to 794,336 and 1,702,432
Double scale
Find third proportional to 397,170 and 851,220
Similar ratio
Find third proportional to 595,752 and 1,276,824
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.