Home / 76,720-101,976

Finding the Third Proportional to 76,720 and 101,976

Calculator

Solution

The third proportional to 76,720 and 101,976 is: 135,546.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,720 : 101,976 = 101,976 : x
  2. Step 2: Convert to fraction form
    76,720/101,976 = 101,976/x
  3. Step 3: Cross multiply
    76,720x = 101,976 × 101,976
  4. Step 4: Simplify right side
    76,720x = 10,399,104,576
  5. Step 5: Solve for x
    x = 10,399,104,576/76,720
  6. Step 6: Final answer
    x = 135,546.20

Related Problems

Find third proportional to 38,360 and 50,988
Half scale
Find third proportional to 153,440 and 203,952
Double scale
Find third proportional to 76,722 and 101,979
Similar ratio
Find third proportional to 115,080 and 152,964
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.