Home / 5,621.25-8,400.75

Finding the Third Proportional to 5,621.25 and 8,400.75

Calculator

Solution

The third proportional to 5,621.25 and 8,400.75 is: 12,554.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.25 : 8,400.75 = 8,400.75 : x
  2. Step 2: Convert to fraction form
    5,621.25/8,400.75 = 8,400.75/x
  3. Step 3: Cross multiply
    5,621.25x = 8,400.75 × 8,400.75
  4. Step 4: Simplify right side
    5,621.25x = 70,572,600.56
  5. Step 5: Solve for x
    x = 70,572,600.56/5,621.25
  6. Step 6: Final answer
    x = 12,554.61

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.