Home / 211,178-425,812

Finding the Third Proportional to 211,178 and 425,812

Calculator

Solution

The third proportional to 211,178 and 425,812 is: 858,592.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,178 : 425,812 = 425,812 : x
  2. Step 2: Convert to fraction form
    211,178/425,812 = 425,812/x
  3. Step 3: Cross multiply
    211,178x = 425,812 × 425,812
  4. Step 4: Simplify right side
    211,178x = 181,315,859,344
  5. Step 5: Solve for x
    x = 181,315,859,344/211,178
  6. Step 6: Final answer
    x = 858,592.56

Related Problems

Find third proportional to 105,589 and 212,906
Half scale
Find third proportional to 422,356 and 851,624
Double scale
Find third proportional to 211,180 and 425,816
Similar ratio
Find third proportional to 316,767 and 638,718
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.