Home / 4,571.44-9,978.19

Finding the Third Proportional to 4,571.44 and 9,978.19

Calculator

Solution

The third proportional to 4,571.44 and 9,978.19 is: 21,779.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,571.44 : 9,978.19 = 9,978.19 : x
  2. Step 2: Convert to fraction form
    4,571.44/9,978.19 = 9,978.19/x
  3. Step 3: Cross multiply
    4,571.44x = 9,978.19 × 9,978.19
  4. Step 4: Simplify right side
    4,571.44x = 99,564,225.79
  5. Step 5: Solve for x
    x = 99,564,225.79/4,571.44
  6. Step 6: Final answer
    x = 21,779.63

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.