Home / 5,128-11,248

Finding the Third Proportional to 5,128 and 11,248

Calculator

Solution

The third proportional to 5,128 and 11,248 is: 24,671.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128 : 11,248 = 11,248 : x
  2. Step 2: Convert to fraction form
    5,128/11,248 = 11,248/x
  3. Step 3: Cross multiply
    5,128x = 11,248 × 11,248
  4. Step 4: Simplify right side
    5,128x = 126,517,504
  5. Step 5: Solve for x
    x = 126,517,504/5,128
  6. Step 6: Final answer
    x = 24,671.90

Related Problems

Find third proportional to 2,564 and 5,624
Half scale
Find third proportional to 10,256 and 22,496
Double scale
Find third proportional to 5,130 and 11,252
Similar ratio
Find third proportional to 7,692 and 16,872
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.