Home / 65,892-143,712

Finding the Third Proportional to 65,892 and 143,712

Calculator

Solution

The third proportional to 65,892 and 143,712 is: 313,439.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,892 : 143,712 = 143,712 : x
  2. Step 2: Convert to fraction form
    65,892/143,712 = 143,712/x
  3. Step 3: Cross multiply
    65,892x = 143,712 × 143,712
  4. Step 4: Simplify right side
    65,892x = 20,653,138,944
  5. Step 5: Solve for x
    x = 20,653,138,944/65,892
  6. Step 6: Final answer
    x = 313,439.25

Related Problems

Find third proportional to 32,946 and 71,856
Half scale
Find third proportional to 131,784 and 287,424
Double scale
Find third proportional to 65,894 and 143,716
Similar ratio
Find third proportional to 98,838 and 215,568
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.