Home / 64,116-140,031

Finding the Third Proportional to 64,116 and 140,031

Calculator

Solution

The third proportional to 64,116 and 140,031 is: 305,831.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,116 : 140,031 = 140,031 : x
  2. Step 2: Convert to fraction form
    64,116/140,031 = 140,031/x
  3. Step 3: Cross multiply
    64,116x = 140,031 × 140,031
  4. Step 4: Simplify right side
    64,116x = 19,608,680,961
  5. Step 5: Solve for x
    x = 19,608,680,961/64,116
  6. Step 6: Final answer
    x = 305,831.32

Related Problems

Find third proportional to 32,058 and 70,015.50
Half scale
Find third proportional to 128,232 and 280,062
Double scale
Find third proportional to 64,118 and 140,035
Similar ratio
Find third proportional to 96,174 and 210,046.50
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.