Home / 544.78-1,247.20

Finding the Third Proportional to 544.78 and 1,247.20

Calculator

Solution

The third proportional to 544.78 and 1,247.20 is: 2,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.78 : 1,247.20 = 1,247.20 : x
  2. Step 2: Convert to fraction form
    544.78/1,247.20 = 1,247.20/x
  3. Step 3: Cross multiply
    544.78x = 1,247.20 × 1,247.20
  4. Step 4: Simplify right side
    544.78x = 1,555,515.64
  5. Step 5: Solve for x
    x = 1,555,515.64/544.78
  6. Step 6: Final answer
    x = 2,855.30

Related Problems

Find third proportional to 272.39 and 623.60
Half scale
Find third proportional to 1,089.56 and 2,494.41
Double scale
Find third proportional to 547 and 1,252
Similar ratio
Find third proportional to 817.17 and 1,870.80
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.