Home / 12,988-18,376

Finding the Third Proportional to 12,988 and 18,376

Calculator

Solution

The third proportional to 12,988 and 18,376 is: 25,999.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,988 : 18,376 = 18,376 : x
  2. Step 2: Convert to fraction form
    12,988/18,376 = 18,376/x
  3. Step 3: Cross multiply
    12,988x = 18,376 × 18,376
  4. Step 4: Simplify right side
    12,988x = 337,677,376
  5. Step 5: Solve for x
    x = 337,677,376/12,988
  6. Step 6: Final answer
    x = 25,999.18

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.