Home / 28-31.63

Finding the Third Proportional to 28 and 31.63

Calculator

Solution

The third proportional to 28 and 31.63 is: 35.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28 : 31.63 = 31.63 : x
  2. Step 2: Convert to fraction form
    28/31.63 = 31.63/x
  3. Step 3: Cross multiply
    28x = 31.63 × 31.63
  4. Step 4: Simplify right side
    28x = 1,000.14
  5. Step 5: Solve for x
    x = 1,000.14/28
  6. Step 6: Final answer
    x = 35.72

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.