Home / 55.83-123.05

Finding the Third Proportional to 55.83 and 123.05

Calculator

Solution

The third proportional to 55.83 and 123.05 is: 271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55.83 : 123.05 = 123.05 : x
  2. Step 2: Convert to fraction form
    55.83/123.05 = 123.05/x
  3. Step 3: Cross multiply
    55.83x = 123.05 × 123.05
  4. Step 4: Simplify right side
    55.83x = 15,140.53
  5. Step 5: Solve for x
    x = 15,140.53/55.83
  6. Step 6: Final answer
    x = 271.20

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.