Home / 202,812.75-318,138.19

Finding the Third Proportional to 202,812.75 and 318,138.19

Calculator

Solution

The third proportional to 202,812.75 and 318,138.19 is: 499,041.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,812.75 : 318,138.19 = 318,138.19 : x
  2. Step 2: Convert to fraction form
    202,812.75/318,138.19 = 318,138.19/x
  3. Step 3: Cross multiply
    202,812.75x = 318,138.19 × 318,138.19
  4. Step 4: Simplify right side
    202,812.75x = 101,211,906,345.79
  5. Step 5: Solve for x
    x = 101,211,906,345.79/202,812.75
  6. Step 6: Final answer
    x = 499,041.14

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.