Home / 200,813-436,627

Finding the Third Proportional to 200,813 and 436,627

Calculator

Solution

The third proportional to 200,813 and 436,627 is: 949,356.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,813 : 436,627 = 436,627 : x
  2. Step 2: Convert to fraction form
    200,813/436,627 = 436,627/x
  3. Step 3: Cross multiply
    200,813x = 436,627 × 436,627
  4. Step 4: Simplify right side
    200,813x = 190,643,137,129
  5. Step 5: Solve for x
    x = 190,643,137,129/200,813
  6. Step 6: Final answer
    x = 949,356.55

Related Problems

Find third proportional to 100,406.50 and 218,313.50
Half scale
Find third proportional to 401,626 and 873,254
Double scale
Find third proportional to 200,815 and 436,631
Similar ratio
Find third proportional to 301,219.50 and 654,940.50
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.