Home / 122.91-214.17

Finding the Third Proportional to 122.91 and 214.17

Calculator

Solution

The third proportional to 122.91 and 214.17 is: 373.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122.91 : 214.17 = 214.17 : x
  2. Step 2: Convert to fraction form
    122.91/214.17 = 214.17/x
  3. Step 3: Cross multiply
    122.91x = 214.17 × 214.17
  4. Step 4: Simplify right side
    122.91x = 45,869.59
  5. Step 5: Solve for x
    x = 45,869.59/122.91
  6. Step 6: Final answer
    x = 373.21

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.74) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.