Home / 373,428-809,864

Finding the Third Proportional to 373,428 and 809,864

Calculator

Solution

The third proportional to 373,428 and 809,864 is: 1,756,375.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,428 : 809,864 = 809,864 : x
  2. Step 2: Convert to fraction form
    373,428/809,864 = 809,864/x
  3. Step 3: Cross multiply
    373,428x = 809,864 × 809,864
  4. Step 4: Simplify right side
    373,428x = 655,879,698,496
  5. Step 5: Solve for x
    x = 655,879,698,496/373,428
  6. Step 6: Final answer
    x = 1,756,375.25

Related Problems

Find third proportional to 186,714 and 404,932
Half scale
Find third proportional to 746,856 and 1,619,728
Double scale
Find third proportional to 373,430 and 809,868
Similar ratio
Find third proportional to 560,142 and 1,214,796
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.