Home / 101,978-218,722

Finding the Third Proportional to 101,978 and 218,722

Calculator

Solution

The third proportional to 101,978 and 218,722 is: 469,114.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,978 : 218,722 = 218,722 : x
  2. Step 2: Convert to fraction form
    101,978/218,722 = 218,722/x
  3. Step 3: Cross multiply
    101,978x = 218,722 × 218,722
  4. Step 4: Simplify right side
    101,978x = 47,839,313,284
  5. Step 5: Solve for x
    x = 47,839,313,284/101,978
  6. Step 6: Final answer
    x = 469,114.06

Related Problems

Find third proportional to 50,989 and 109,361
Half scale
Find third proportional to 203,956 and 437,444
Double scale
Find third proportional to 101,980 and 218,726
Similar ratio
Find third proportional to 152,967 and 328,083
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.