Home / 408,052-612,078

Finding the Third Proportional to 408,052 and 612,078

Calculator

Solution

The third proportional to 408,052 and 612,078 is: 918,117

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,052 : 612,078 = 612,078 : x
  2. Step 2: Convert to fraction form
    408,052/612,078 = 612,078/x
  3. Step 3: Cross multiply
    408,052x = 612,078 × 612,078
  4. Step 4: Simplify right side
    408,052x = 374,639,478,084
  5. Step 5: Solve for x
    x = 374,639,478,084/408,052
  6. Step 6: Final answer
    x = 918,117

Related Problems

Find third proportional to 204,026 and 306,039
Half scale
Find third proportional to 816,104 and 1,224,156
Double scale
Find third proportional to 408,054 and 612,081
Similar ratio
Find third proportional to 612,078 and 918,117
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.