Home / 54,140-80,935

Finding the Third Proportional to 54,140 and 80,935

Calculator

Solution

The third proportional to 54,140 and 80,935 is: 120,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,140 : 80,935 = 80,935 : x
  2. Step 2: Convert to fraction form
    54,140/80,935 = 80,935/x
  3. Step 3: Cross multiply
    54,140x = 80,935 × 80,935
  4. Step 4: Simplify right side
    54,140x = 6,550,474,225
  5. Step 5: Solve for x
    x = 6,550,474,225/54,140
  6. Step 6: Final answer
    x = 120,991.40

Related Problems

Find third proportional to 27,070 and 40,467.50
Half scale
Find third proportional to 108,280 and 161,870
Double scale
Find third proportional to 54,142 and 80,938
Similar ratio
Find third proportional to 81,210 and 121,402.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.