Home / 72,497-110,912

Finding the Third Proportional to 72,497 and 110,912

Calculator

Solution

The third proportional to 72,497 and 110,912 is: 169,682.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,497 : 110,912 = 110,912 : x
  2. Step 2: Convert to fraction form
    72,497/110,912 = 110,912/x
  3. Step 3: Cross multiply
    72,497x = 110,912 × 110,912
  4. Step 4: Simplify right side
    72,497x = 12,301,471,744
  5. Step 5: Solve for x
    x = 12,301,471,744/72,497
  6. Step 6: Final answer
    x = 169,682.49

Related Problems

Find third proportional to 36,248.50 and 55,456
Half scale
Find third proportional to 144,994 and 221,824
Double scale
Find third proportional to 72,499 and 110,915
Similar ratio
Find third proportional to 108,745.50 and 166,368
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.