Home / 357,234-486,477

Finding the Third Proportional to 357,234 and 486,477

Calculator

Solution

The third proportional to 357,234 and 486,477 is: 662,478.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,234 : 486,477 = 486,477 : x
  2. Step 2: Convert to fraction form
    357,234/486,477 = 486,477/x
  3. Step 3: Cross multiply
    357,234x = 486,477 × 486,477
  4. Step 4: Simplify right side
    357,234x = 236,659,871,529
  5. Step 5: Solve for x
    x = 236,659,871,529/357,234
  6. Step 6: Final answer
    x = 662,478.58

Related Problems

Find third proportional to 178,617 and 243,238.50
Half scale
Find third proportional to 714,468 and 972,954
Double scale
Find third proportional to 357,236 and 486,480
Similar ratio
Find third proportional to 535,851 and 729,715.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.