Home / 492,077-628,765

Finding the Third Proportional to 492,077 and 628,765

Calculator

Solution

The third proportional to 492,077 and 628,765 is: 803,421.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,077 : 628,765 = 628,765 : x
  2. Step 2: Convert to fraction form
    492,077/628,765 = 628,765/x
  3. Step 3: Cross multiply
    492,077x = 628,765 × 628,765
  4. Step 4: Simplify right side
    492,077x = 395,345,425,225
  5. Step 5: Solve for x
    x = 395,345,425,225/492,077
  6. Step 6: Final answer
    x = 803,421.87

Related Problems

Find third proportional to 246,038.50 and 314,382.50
Half scale
Find third proportional to 984,154 and 1,257,530
Double scale
Find third proportional to 492,079 and 628,768
Similar ratio
Find third proportional to 738,115.50 and 943,147.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.