Home / 4,191.75-10,878.05

Finding the Third Proportional to 4,191.75 and 10,878.05

Calculator

Solution

The third proportional to 4,191.75 and 10,878.05 is: 28,229.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.75 : 10,878.05 = 10,878.05 : x
  2. Step 2: Convert to fraction form
    4,191.75/10,878.05 = 10,878.05/x
  3. Step 3: Cross multiply
    4,191.75x = 10,878.05 × 10,878.05
  4. Step 4: Simplify right side
    4,191.75x = 118,331,903.81
  5. Step 5: Solve for x
    x = 118,331,903.81/4,191.75
  6. Step 6: Final answer
    x = 28,229.71

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.