Home / 409,196-550,438

Finding the Third Proportional to 409,196 and 550,438

Calculator

Solution

The third proportional to 409,196 and 550,438 is: 740,432.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,196 : 550,438 = 550,438 : x
  2. Step 2: Convert to fraction form
    409,196/550,438 = 550,438/x
  3. Step 3: Cross multiply
    409,196x = 550,438 × 550,438
  4. Step 4: Simplify right side
    409,196x = 302,981,991,844
  5. Step 5: Solve for x
    x = 302,981,991,844/409,196
  6. Step 6: Final answer
    x = 740,432.44

Related Problems

Find third proportional to 204,598 and 275,219
Half scale
Find third proportional to 818,392 and 1,100,876
Double scale
Find third proportional to 409,198 and 550,441
Similar ratio
Find third proportional to 613,794 and 825,657
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.