Home / 247.50-455

Finding the Third Proportional to 247.50 and 455

Calculator

Solution

The third proportional to 247.50 and 455 is: 836.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.50 : 455 = 455 : x
  2. Step 2: Convert to fraction form
    247.50/455 = 455/x
  3. Step 3: Cross multiply
    247.50x = 455 × 455
  4. Step 4: Simplify right side
    247.50x = 207,025
  5. Step 5: Solve for x
    x = 207,025/247.50
  6. Step 6: Final answer
    x = 836.46

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.