Home / 80,862-115,787

Finding the Third Proportional to 80,862 and 115,787

Calculator

Solution

The third proportional to 80,862 and 115,787 is: 165,796.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,862 : 115,787 = 115,787 : x
  2. Step 2: Convert to fraction form
    80,862/115,787 = 115,787/x
  3. Step 3: Cross multiply
    80,862x = 115,787 × 115,787
  4. Step 4: Simplify right side
    80,862x = 13,406,629,369
  5. Step 5: Solve for x
    x = 13,406,629,369/80,862
  6. Step 6: Final answer
    x = 165,796.41

Related Problems

Find third proportional to 40,431 and 57,893.50
Half scale
Find third proportional to 161,724 and 231,574
Double scale
Find third proportional to 80,864 and 115,790
Similar ratio
Find third proportional to 121,293 and 173,680.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.