Home / 7,681.94-10,378.88

Finding the Third Proportional to 7,681.94 and 10,378.88

Calculator

Solution

The third proportional to 7,681.94 and 10,378.88 is: 14,022.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681.94 : 10,378.88 = 10,378.88 : x
  2. Step 2: Convert to fraction form
    7,681.94/10,378.88 = 10,378.88/x
  3. Step 3: Cross multiply
    7,681.94x = 10,378.88 × 10,378.88
  4. Step 4: Simplify right side
    7,681.94x = 107,721,046.27
  5. Step 5: Solve for x
    x = 107,721,046.27/7,681.94
  6. Step 6: Final answer
    x = 14,022.64

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.