Home / 8,430-17,184

Finding the Third Proportional to 8,430 and 17,184

Calculator

Solution

The third proportional to 8,430 and 17,184 is: 35,028.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430 : 17,184 = 17,184 : x
  2. Step 2: Convert to fraction form
    8,430/17,184 = 17,184/x
  3. Step 3: Cross multiply
    8,430x = 17,184 × 17,184
  4. Step 4: Simplify right side
    8,430x = 295,289,856
  5. Step 5: Solve for x
    x = 295,289,856/8,430
  6. Step 6: Final answer
    x = 35,028.45

Related Problems

Find third proportional to 4,215 and 8,592
Half scale
Find third proportional to 16,860 and 34,368
Double scale
Find third proportional to 8,432 and 17,188
Similar ratio
Find third proportional to 12,645 and 25,776
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.