Home / 409,223-889,281

Finding the Third Proportional to 409,223 and 889,281

Calculator

Solution

The third proportional to 409,223 and 889,281 is: 1,932,493.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,223 : 889,281 = 889,281 : x
  2. Step 2: Convert to fraction form
    409,223/889,281 = 889,281/x
  3. Step 3: Cross multiply
    409,223x = 889,281 × 889,281
  4. Step 4: Simplify right side
    409,223x = 790,820,696,961
  5. Step 5: Solve for x
    x = 790,820,696,961/409,223
  6. Step 6: Final answer
    x = 1,932,493.28

Related Problems

Find third proportional to 204,611.50 and 444,640.50
Half scale
Find third proportional to 818,446 and 1,778,562
Double scale
Find third proportional to 409,225 and 889,285
Similar ratio
Find third proportional to 613,834.50 and 1,333,921.50
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.