Home / 308.50-612.50

Finding the Third Proportional to 308.50 and 612.50

Calculator

Solution

The third proportional to 308.50 and 612.50 is: 1,216.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    308.50 : 612.50 = 612.50 : x
  2. Step 2: Convert to fraction form
    308.50/612.50 = 612.50/x
  3. Step 3: Cross multiply
    308.50x = 612.50 × 612.50
  4. Step 4: Simplify right side
    308.50x = 375,156.25
  5. Step 5: Solve for x
    x = 375,156.25/308.50
  6. Step 6: Final answer
    x = 1,216.07

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.99) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.