Home / 55,782-120,816

Finding the Third Proportional to 55,782 and 120,816

Calculator

Solution

The third proportional to 55,782 and 120,816 is: 261,670.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,782 : 120,816 = 120,816 : x
  2. Step 2: Convert to fraction form
    55,782/120,816 = 120,816/x
  3. Step 3: Cross multiply
    55,782x = 120,816 × 120,816
  4. Step 4: Simplify right side
    55,782x = 14,596,505,856
  5. Step 5: Solve for x
    x = 14,596,505,856/55,782
  6. Step 6: Final answer
    x = 261,670.54

Related Problems

Find third proportional to 27,891 and 60,408
Half scale
Find third proportional to 111,564 and 241,632
Double scale
Find third proportional to 55,784 and 120,820
Similar ratio
Find third proportional to 83,673 and 181,224
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.