Home / 315,034-492,807

Finding the Third Proportional to 315,034 and 492,807

Calculator

Solution

The third proportional to 315,034 and 492,807 is: 770,896.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,034 : 492,807 = 492,807 : x
  2. Step 2: Convert to fraction form
    315,034/492,807 = 492,807/x
  3. Step 3: Cross multiply
    315,034x = 492,807 × 492,807
  4. Step 4: Simplify right side
    315,034x = 242,858,739,249
  5. Step 5: Solve for x
    x = 242,858,739,249/315,034
  6. Step 6: Final answer
    x = 770,896.92

Related Problems

Find third proportional to 157,517 and 246,403.50
Half scale
Find third proportional to 630,068 and 985,614
Double scale
Find third proportional to 315,036 and 492,810
Similar ratio
Find third proportional to 472,551 and 739,210.50
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.