Home / 35,928-78,921

Finding the Third Proportional to 35,928 and 78,921

Calculator

Solution

The third proportional to 35,928 and 78,921 is: 173,361.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,928 : 78,921 = 78,921 : x
  2. Step 2: Convert to fraction form
    35,928/78,921 = 78,921/x
  3. Step 3: Cross multiply
    35,928x = 78,921 × 78,921
  4. Step 4: Simplify right side
    35,928x = 6,228,524,241
  5. Step 5: Solve for x
    x = 6,228,524,241/35,928
  6. Step 6: Final answer
    x = 173,361.28

Related Problems

Find third proportional to 17,964 and 39,460.50
Half scale
Find third proportional to 71,856 and 157,842
Double scale
Find third proportional to 35,930 and 78,925
Similar ratio
Find third proportional to 53,892 and 118,381.50
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.