Home / 289,662.75-424,125.75

Finding the Third Proportional to 289,662.75 and 424,125.75

Calculator

Solution

The third proportional to 289,662.75 and 424,125.75 is: 621,007.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,662.75 : 424,125.75 = 424,125.75 : x
  2. Step 2: Convert to fraction form
    289,662.75/424,125.75 = 424,125.75/x
  3. Step 3: Cross multiply
    289,662.75x = 424,125.75 × 424,125.75
  4. Step 4: Simplify right side
    289,662.75x = 179,882,651,813.06
  5. Step 5: Solve for x
    x = 179,882,651,813.06/289,662.75
  6. Step 6: Final answer
    x = 621,007.19

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.