Home / 85,401-128,376

Finding the Third Proportional to 85,401 and 128,376

Calculator

Solution

The third proportional to 85,401 and 128,376 is: 192,976.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,401 : 128,376 = 128,376 : x
  2. Step 2: Convert to fraction form
    85,401/128,376 = 128,376/x
  3. Step 3: Cross multiply
    85,401x = 128,376 × 128,376
  4. Step 4: Simplify right side
    85,401x = 16,480,397,376
  5. Step 5: Solve for x
    x = 16,480,397,376/85,401
  6. Step 6: Final answer
    x = 192,976.63

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.