Home / 145.75-275

Finding the Third Proportional to 145.75 and 275

Calculator

Solution

The third proportional to 145.75 and 275 is: 518.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    145.75 : 275 = 275 : x
  2. Step 2: Convert to fraction form
    145.75/275 = 275/x
  3. Step 3: Cross multiply
    145.75x = 275 × 275
  4. Step 4: Simplify right side
    145.75x = 75,625
  5. Step 5: Solve for x
    x = 75,625/145.75
  6. Step 6: Final answer
    x = 518.87

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.89) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.