Home / 135,708-286,726

Finding the Third Proportional to 135,708 and 286,726

Calculator

Solution

The third proportional to 135,708 and 286,726 is: 605,799.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,708 : 286,726 = 286,726 : x
  2. Step 2: Convert to fraction form
    135,708/286,726 = 286,726/x
  3. Step 3: Cross multiply
    135,708x = 286,726 × 286,726
  4. Step 4: Simplify right side
    135,708x = 82,211,799,076
  5. Step 5: Solve for x
    x = 82,211,799,076/135,708
  6. Step 6: Final answer
    x = 605,799.21

Related Problems

Find third proportional to 67,854 and 143,363
Half scale
Find third proportional to 271,416 and 573,452
Double scale
Find third proportional to 135,710 and 286,730
Similar ratio
Find third proportional to 203,562 and 430,089
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.