Home / 544.50-680.75

Finding the Third Proportional to 544.50 and 680.75

Calculator

Solution

The third proportional to 544.50 and 680.75 is: 851.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.50 : 680.75 = 680.75 : x
  2. Step 2: Convert to fraction form
    544.50/680.75 = 680.75/x
  3. Step 3: Cross multiply
    544.50x = 680.75 × 680.75
  4. Step 4: Simplify right side
    544.50x = 463,420.56
  5. Step 5: Solve for x
    x = 463,420.56/544.50
  6. Step 6: Final answer
    x = 851.09

Related Problems

Find third proportional to 272.25 and 340.38
Half scale
Find third proportional to 1,089 and 1,361.50
Double scale
Find third proportional to 547 and 683
Similar ratio
Find third proportional to 816.75 and 1,021.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.