Home / 1,258-2,708

Finding the Third Proportional to 1,258 and 2,708

Calculator

Solution

The third proportional to 1,258 and 2,708 is: 5,829.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258 : 2,708 = 2,708 : x
  2. Step 2: Convert to fraction form
    1,258/2,708 = 2,708/x
  3. Step 3: Cross multiply
    1,258x = 2,708 × 2,708
  4. Step 4: Simplify right side
    1,258x = 7,333,264
  5. Step 5: Solve for x
    x = 7,333,264/1,258
  6. Step 6: Final answer
    x = 5,829.30

Related Problems

Find third proportional to 629 and 1,354
Half scale
Find third proportional to 2,516 and 5,416
Double scale
Find third proportional to 1,260 and 2,712
Similar ratio
Find third proportional to 1,887 and 4,062
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.