Home / 8,432-11,808

Finding the Third Proportional to 8,432 and 11,808

Calculator

Solution

The third proportional to 8,432 and 11,808 is: 16,535.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432 : 11,808 = 11,808 : x
  2. Step 2: Convert to fraction form
    8,432/11,808 = 11,808/x
  3. Step 3: Cross multiply
    8,432x = 11,808 × 11,808
  4. Step 4: Simplify right side
    8,432x = 139,428,864
  5. Step 5: Solve for x
    x = 139,428,864/8,432
  6. Step 6: Final answer
    x = 16,535.68

Related Problems

Find third proportional to 4,216 and 5,904
Half scale
Find third proportional to 16,864 and 23,616
Double scale
Find third proportional to 8,434 and 11,811
Similar ratio
Find third proportional to 12,648 and 17,712
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.