Home / 8,522-18,406

Finding the Third Proportional to 8,522 and 18,406

Calculator

Solution

The third proportional to 8,522 and 18,406 is: 39,753.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522 : 18,406 = 18,406 : x
  2. Step 2: Convert to fraction form
    8,522/18,406 = 18,406/x
  3. Step 3: Cross multiply
    8,522x = 18,406 × 18,406
  4. Step 4: Simplify right side
    8,522x = 338,780,836
  5. Step 5: Solve for x
    x = 338,780,836/8,522
  6. Step 6: Final answer
    x = 39,753.68

Related Problems

Find third proportional to 4,261 and 9,203
Half scale
Find third proportional to 17,044 and 36,812
Double scale
Find third proportional to 8,524 and 18,410
Similar ratio
Find third proportional to 12,783 and 27,609
1.5x scale

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.