Home / 9,639-16,425

Finding the Third Proportional to 9,639 and 16,425

Calculator

Solution

The third proportional to 9,639 and 16,425 is: 27,988.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639 : 16,425 = 16,425 : x
  2. Step 2: Convert to fraction form
    9,639/16,425 = 16,425/x
  3. Step 3: Cross multiply
    9,639x = 16,425 × 16,425
  4. Step 4: Simplify right side
    9,639x = 269,780,625
  5. Step 5: Solve for x
    x = 269,780,625/9,639
  6. Step 6: Final answer
    x = 27,988.45

Related Problems

Find third proportional to 4,819.50 and 8,212.50
Half scale
Find third proportional to 19,278 and 32,850
Double scale
Find third proportional to 9,641 and 16,428
Similar ratio
Find third proportional to 14,458.50 and 24,637.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.