Home / 7,128-16,852

Finding the Third Proportional to 7,128 and 16,852

Calculator

Solution

The third proportional to 7,128 and 16,852 is: 39,841.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128 : 16,852 = 16,852 : x
  2. Step 2: Convert to fraction form
    7,128/16,852 = 16,852/x
  3. Step 3: Cross multiply
    7,128x = 16,852 × 16,852
  4. Step 4: Simplify right side
    7,128x = 283,989,904
  5. Step 5: Solve for x
    x = 283,989,904/7,128
  6. Step 6: Final answer
    x = 39,841.46

Related Problems

Find third proportional to 3,564 and 8,426
Half scale
Find third proportional to 14,256 and 33,704
Double scale
Find third proportional to 7,130 and 16,857
Similar ratio
Find third proportional to 10,692 and 25,278
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.