Home / 312,651.75-640,044.75

Finding the Third Proportional to 312,651.75 and 640,044.75

Calculator

Solution

The third proportional to 312,651.75 and 640,044.75 is: 1,310,267.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,651.75 : 640,044.75 = 640,044.75 : x
  2. Step 2: Convert to fraction form
    312,651.75/640,044.75 = 640,044.75/x
  3. Step 3: Cross multiply
    312,651.75x = 640,044.75 × 640,044.75
  4. Step 4: Simplify right side
    312,651.75x = 409,657,282,002.56
  5. Step 5: Solve for x
    x = 409,657,282,002.56/312,651.75
  6. Step 6: Final answer
    x = 1,310,267.04

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.