Home / 62.75-109

Finding the Third Proportional to 62.75 and 109

Calculator

Solution

The third proportional to 62.75 and 109 is: 189.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.75 : 109 = 109 : x
  2. Step 2: Convert to fraction form
    62.75/109 = 109/x
  3. Step 3: Cross multiply
    62.75x = 109 × 109
  4. Step 4: Simplify right side
    62.75x = 11,881
  5. Step 5: Solve for x
    x = 11,881/62.75
  6. Step 6: Final answer
    x = 189.34

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.