Home / 356,406-471,105

Finding the Third Proportional to 356,406 and 471,105

Calculator

Solution

The third proportional to 356,406 and 471,105 is: 622,716.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,406 : 471,105 = 471,105 : x
  2. Step 2: Convert to fraction form
    356,406/471,105 = 471,105/x
  3. Step 3: Cross multiply
    356,406x = 471,105 × 471,105
  4. Step 4: Simplify right side
    356,406x = 221,939,921,025
  5. Step 5: Solve for x
    x = 221,939,921,025/356,406
  6. Step 6: Final answer
    x = 622,716.57

Related Problems

Find third proportional to 178,203 and 235,552.50
Half scale
Find third proportional to 712,812 and 942,210
Double scale
Find third proportional to 356,408 and 471,108
Similar ratio
Find third proportional to 534,609 and 706,657.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.