Home / 200,909-440,359

Finding the Third Proportional to 200,909 and 440,359

Calculator

Solution

The third proportional to 200,909 and 440,359 is: 965,193.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,909 : 440,359 = 440,359 : x
  2. Step 2: Convert to fraction form
    200,909/440,359 = 440,359/x
  3. Step 3: Cross multiply
    200,909x = 440,359 × 440,359
  4. Step 4: Simplify right side
    200,909x = 193,916,048,881
  5. Step 5: Solve for x
    x = 193,916,048,881/200,909
  6. Step 6: Final answer
    x = 965,193.44

Related Problems

Find third proportional to 100,454.50 and 220,179.50
Half scale
Find third proportional to 401,818 and 880,718
Double scale
Find third proportional to 200,911 and 440,363
Similar ratio
Find third proportional to 301,363.50 and 660,538.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.