Home / 357,145-485,041

Finding the Third Proportional to 357,145 and 485,041

Calculator

Solution

The third proportional to 357,145 and 485,041 is: 658,737.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,145 : 485,041 = 485,041 : x
  2. Step 2: Convert to fraction form
    357,145/485,041 = 485,041/x
  3. Step 3: Cross multiply
    357,145x = 485,041 × 485,041
  4. Step 4: Simplify right side
    357,145x = 235,264,771,681
  5. Step 5: Solve for x
    x = 235,264,771,681/357,145
  6. Step 6: Final answer
    x = 658,737.41

Related Problems

Find third proportional to 178,572.50 and 242,520.50
Half scale
Find third proportional to 714,290 and 970,082
Double scale
Find third proportional to 357,147 and 485,044
Similar ratio
Find third proportional to 535,717.50 and 727,561.50
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.