Home / 55,424-121,216

Finding the Third Proportional to 55,424 and 121,216

Calculator

Solution

The third proportional to 55,424 and 121,216 is: 265,107.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,424 : 121,216 = 121,216 : x
  2. Step 2: Convert to fraction form
    55,424/121,216 = 121,216/x
  3. Step 3: Cross multiply
    55,424x = 121,216 × 121,216
  4. Step 4: Simplify right side
    55,424x = 14,693,318,656
  5. Step 5: Solve for x
    x = 14,693,318,656/55,424
  6. Step 6: Final answer
    x = 265,107.51

Related Problems

Find third proportional to 27,712 and 60,608
Half scale
Find third proportional to 110,848 and 242,432
Double scale
Find third proportional to 55,426 and 121,220
Similar ratio
Find third proportional to 83,136 and 181,824
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.