Home / 315,037-492,812

Finding the Third Proportional to 315,037 and 492,812

Calculator

Solution

The third proportional to 315,037 and 492,812 is: 770,905.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,037 : 492,812 = 492,812 : x
  2. Step 2: Convert to fraction form
    315,037/492,812 = 492,812/x
  3. Step 3: Cross multiply
    315,037x = 492,812 × 492,812
  4. Step 4: Simplify right side
    315,037x = 242,863,667,344
  5. Step 5: Solve for x
    x = 242,863,667,344/315,037
  6. Step 6: Final answer
    x = 770,905.22

Related Problems

Find third proportional to 157,518.50 and 246,406
Half scale
Find third proportional to 630,074 and 985,624
Double scale
Find third proportional to 315,039 and 492,815
Similar ratio
Find third proportional to 472,555.50 and 739,218
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.