Home / 5,128-7,253

Finding the Third Proportional to 5,128 and 7,253

Calculator

Solution

The third proportional to 5,128 and 7,253 is: 10,258.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128 : 7,253 = 7,253 : x
  2. Step 2: Convert to fraction form
    5,128/7,253 = 7,253/x
  3. Step 3: Cross multiply
    5,128x = 7,253 × 7,253
  4. Step 4: Simplify right side
    5,128x = 52,606,009
  5. Step 5: Solve for x
    x = 52,606,009/5,128
  6. Step 6: Final answer
    x = 10,258.58

Related Problems

Find third proportional to 2,564 and 3,626.50
Half scale
Find third proportional to 10,256 and 14,506
Double scale
Find third proportional to 5,130 and 7,256
Similar ratio
Find third proportional to 7,692 and 10,879.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.