Home / 54,840-120,156

Finding the Third Proportional to 54,840 and 120,156

Calculator

Solution

The third proportional to 54,840 and 120,156 is: 263,265.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,840 : 120,156 = 120,156 : x
  2. Step 2: Convert to fraction form
    54,840/120,156 = 120,156/x
  3. Step 3: Cross multiply
    54,840x = 120,156 × 120,156
  4. Step 4: Simplify right side
    54,840x = 14,437,464,336
  5. Step 5: Solve for x
    x = 14,437,464,336/54,840
  6. Step 6: Final answer
    x = 263,265.21

Related Problems

Find third proportional to 27,420 and 60,078
Half scale
Find third proportional to 109,680 and 240,312
Double scale
Find third proportional to 54,842 and 120,160
Similar ratio
Find third proportional to 82,260 and 180,234
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.