Home / 8,432-13,428

Finding the Third Proportional to 8,432 and 13,428

Calculator

Solution

The third proportional to 8,432 and 13,428 is: 21,384.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432 : 13,428 = 13,428 : x
  2. Step 2: Convert to fraction form
    8,432/13,428 = 13,428/x
  3. Step 3: Cross multiply
    8,432x = 13,428 × 13,428
  4. Step 4: Simplify right side
    8,432x = 180,311,184
  5. Step 5: Solve for x
    x = 180,311,184/8,432
  6. Step 6: Final answer
    x = 21,384.15

Related Problems

Find third proportional to 4,216 and 6,714
Half scale
Find third proportional to 16,864 and 26,856
Double scale
Find third proportional to 8,434 and 13,431
Similar ratio
Find third proportional to 12,648 and 20,142
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.