Home / 377,646-821,698

Finding the Third Proportional to 377,646 and 821,698

Calculator

Solution

The third proportional to 377,646 and 821,698 is: 1,787,884.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,646 : 821,698 = 821,698 : x
  2. Step 2: Convert to fraction form
    377,646/821,698 = 821,698/x
  3. Step 3: Cross multiply
    377,646x = 821,698 × 821,698
  4. Step 4: Simplify right side
    377,646x = 675,187,603,204
  5. Step 5: Solve for x
    x = 675,187,603,204/377,646
  6. Step 6: Final answer
    x = 1,787,884.96

Related Problems

Find third proportional to 188,823 and 410,849
Half scale
Find third proportional to 755,292 and 1,643,396
Double scale
Find third proportional to 377,648 and 821,702
Similar ratio
Find third proportional to 566,469 and 1,232,547
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.