Home / 12,191.25-18,207.75

Finding the Third Proportional to 12,191.25 and 18,207.75

Calculator

Solution

The third proportional to 12,191.25 and 18,207.75 is: 27,193.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,191.25 : 18,207.75 = 18,207.75 : x
  2. Step 2: Convert to fraction form
    12,191.25/18,207.75 = 18,207.75/x
  3. Step 3: Cross multiply
    12,191.25x = 18,207.75 × 18,207.75
  4. Step 4: Simplify right side
    12,191.25x = 331,522,160.06
  5. Step 5: Solve for x
    x = 331,522,160.06/12,191.25
  6. Step 6: Final answer
    x = 27,193.45

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.