Home / 28,218-61,974

Finding the Third Proportional to 28,218 and 61,974

Calculator

Solution

The third proportional to 28,218 and 61,974 is: 136,110.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,218 : 61,974 = 61,974 : x
  2. Step 2: Convert to fraction form
    28,218/61,974 = 61,974/x
  3. Step 3: Cross multiply
    28,218x = 61,974 × 61,974
  4. Step 4: Simplify right side
    28,218x = 3,840,776,676
  5. Step 5: Solve for x
    x = 3,840,776,676/28,218
  6. Step 6: Final answer
    x = 136,110.88

Related Problems

Find third proportional to 14,109 and 30,987
Half scale
Find third proportional to 56,436 and 123,948
Double scale
Find third proportional to 28,220 and 61,978
Similar ratio
Find third proportional to 42,327 and 92,961
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.