Home / 376-857

Finding the Third Proportional to 376 and 857

Calculator

Solution

The third proportional to 376 and 857 is: 1,953.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    376 : 857 = 857 : x
  2. Step 2: Convert to fraction form
    376/857 = 857/x
  3. Step 3: Cross multiply
    376x = 857 × 857
  4. Step 4: Simplify right side
    376x = 734,449
  5. Step 5: Solve for x
    x = 734,449/376
  6. Step 6: Final answer
    x = 1,953.32

Related Problems

Find third proportional to 188 and 428.50
Half scale
Find third proportional to 752 and 1,714
Double scale
Find third proportional to 378 and 862
Similar ratio
Find third proportional to 564 and 1,285.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.