Home / 40,245-87,409.25

Finding the Third Proportional to 40,245 and 87,409.25

Calculator

Solution

The third proportional to 40,245 and 87,409.25 is: 189,846.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,245 : 87,409.25 = 87,409.25 : x
  2. Step 2: Convert to fraction form
    40,245/87,409.25 = 87,409.25/x
  3. Step 3: Cross multiply
    40,245x = 87,409.25 × 87,409.25
  4. Step 4: Simplify right side
    40,245x = 7,640,376,985.56
  5. Step 5: Solve for x
    x = 7,640,376,985.56/40,245
  6. Step 6: Final answer
    x = 189,846.61

Related Problems

Find third proportional to 20,122.50 and 43,704.63
Half scale
Find third proportional to 80,490 and 174,818.50
Double scale
Find third proportional to 40,247 and 87,414
Similar ratio
Find third proportional to 60,367.50 and 131,113.88
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.