Home / 64,686-140,762

Finding the Third Proportional to 64,686 and 140,762

Calculator

Solution

The third proportional to 64,686 and 140,762 is: 306,309.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,686 : 140,762 = 140,762 : x
  2. Step 2: Convert to fraction form
    64,686/140,762 = 140,762/x
  3. Step 3: Cross multiply
    64,686x = 140,762 × 140,762
  4. Step 4: Simplify right side
    64,686x = 19,813,940,644
  5. Step 5: Solve for x
    x = 19,813,940,644/64,686
  6. Step 6: Final answer
    x = 306,309.57

Related Problems

Find third proportional to 32,343 and 70,381
Half scale
Find third proportional to 129,372 and 281,524
Double scale
Find third proportional to 64,688 and 140,766
Similar ratio
Find third proportional to 97,029 and 211,143
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.