Home / 376,850-821,456

Finding the Third Proportional to 376,850 and 821,456

Calculator

Solution

The third proportional to 376,850 and 821,456 is: 1,790,606.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,850 : 821,456 = 821,456 : x
  2. Step 2: Convert to fraction form
    376,850/821,456 = 821,456/x
  3. Step 3: Cross multiply
    376,850x = 821,456 × 821,456
  4. Step 4: Simplify right side
    376,850x = 674,789,959,936
  5. Step 5: Solve for x
    x = 674,789,959,936/376,850
  6. Step 6: Final answer
    x = 1,790,606.24

Related Problems

Find third proportional to 188,425 and 410,728
Half scale
Find third proportional to 753,700 and 1,642,912
Double scale
Find third proportional to 376,852 and 821,460
Similar ratio
Find third proportional to 565,275 and 1,232,184
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.