Home / 55,728-120,672

Finding the Third Proportional to 55,728 and 120,672

Calculator

Solution

The third proportional to 55,728 and 120,672 is: 261,300.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,728 : 120,672 = 120,672 : x
  2. Step 2: Convert to fraction form
    55,728/120,672 = 120,672/x
  3. Step 3: Cross multiply
    55,728x = 120,672 × 120,672
  4. Step 4: Simplify right side
    55,728x = 14,561,731,584
  5. Step 5: Solve for x
    x = 14,561,731,584/55,728
  6. Step 6: Final answer
    x = 261,300.09

Related Problems

Find third proportional to 27,864 and 60,336
Half scale
Find third proportional to 111,456 and 241,344
Double scale
Find third proportional to 55,730 and 120,676
Similar ratio
Find third proportional to 83,592 and 181,008
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.