Home / 200,912-445,880

Finding the Third Proportional to 200,912 and 445,880

Calculator

Solution

The third proportional to 200,912 and 445,880 is: 989,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,912 : 445,880 = 445,880 : x
  2. Step 2: Convert to fraction form
    200,912/445,880 = 445,880/x
  3. Step 3: Cross multiply
    200,912x = 445,880 × 445,880
  4. Step 4: Simplify right side
    200,912x = 198,808,974,400
  5. Step 5: Solve for x
    x = 198,808,974,400/200,912
  6. Step 6: Final answer
    x = 989,532.60

Related Problems

Find third proportional to 100,456 and 222,940
Half scale
Find third proportional to 401,824 and 891,760
Double scale
Find third proportional to 200,914 and 445,884
Similar ratio
Find third proportional to 301,368 and 668,820
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.