Home / 65-124

Finding the Third Proportional to 65 and 124

Calculator

Solution

The third proportional to 65 and 124 is: 236.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65 : 124 = 124 : x
  2. Step 2: Convert to fraction form
    65/124 = 124/x
  3. Step 3: Cross multiply
    65x = 124 × 124
  4. Step 4: Simplify right side
    65x = 15,376
  5. Step 5: Solve for x
    x = 15,376/65
  6. Step 6: Final answer
    x = 236.55

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.