Home / 408,938-880,366

Finding the Third Proportional to 408,938 and 880,366

Calculator

Solution

The third proportional to 408,938 and 880,366 is: 1,895,261.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,938 : 880,366 = 880,366 : x
  2. Step 2: Convert to fraction form
    408,938/880,366 = 880,366/x
  3. Step 3: Cross multiply
    408,938x = 880,366 × 880,366
  4. Step 4: Simplify right side
    408,938x = 775,044,293,956
  5. Step 5: Solve for x
    x = 775,044,293,956/408,938
  6. Step 6: Final answer
    x = 1,895,261.13

Related Problems

Find third proportional to 204,469 and 440,183
Half scale
Find third proportional to 817,876 and 1,760,732
Double scale
Find third proportional to 408,940 and 880,370
Similar ratio
Find third proportional to 613,407 and 1,320,549
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.