Home / 3,258-5,430

Finding the Third Proportional to 3,258 and 5,430

Calculator

Solution

The third proportional to 3,258 and 5,430 is: 9,050

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258 : 5,430 = 5,430 : x
  2. Step 2: Convert to fraction form
    3,258/5,430 = 5,430/x
  3. Step 3: Cross multiply
    3,258x = 5,430 × 5,430
  4. Step 4: Simplify right side
    3,258x = 29,484,900
  5. Step 5: Solve for x
    x = 29,484,900/3,258
  6. Step 6: Final answer
    x = 9,050

Related Problems

Find third proportional to 1,629 and 2,715
Half scale
Find third proportional to 6,516 and 10,860
Double scale
Find third proportional to 3,260 and 5,433
Similar ratio
Find third proportional to 4,887 and 8,145
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.