Home / 8,511-18,391

Finding the Third Proportional to 8,511 and 18,391

Calculator

Solution

The third proportional to 8,511 and 18,391 is: 39,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511 : 18,391 = 18,391 : x
  2. Step 2: Convert to fraction form
    8,511/18,391 = 18,391/x
  3. Step 3: Cross multiply
    8,511x = 18,391 × 18,391
  4. Step 4: Simplify right side
    8,511x = 338,228,881
  5. Step 5: Solve for x
    x = 338,228,881/8,511
  6. Step 6: Final answer
    x = 39,740.20

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.