Home / 492,081-628,771

Finding the Third Proportional to 492,081 and 628,771

Calculator

Solution

The third proportional to 492,081 and 628,771 is: 803,430.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,081 : 628,771 = 628,771 : x
  2. Step 2: Convert to fraction form
    492,081/628,771 = 628,771/x
  3. Step 3: Cross multiply
    492,081x = 628,771 × 628,771
  4. Step 4: Simplify right side
    492,081x = 395,352,970,441
  5. Step 5: Solve for x
    x = 395,352,970,441/492,081
  6. Step 6: Final answer
    x = 803,430.68

Related Problems

Find third proportional to 246,040.50 and 314,385.50
Half scale
Find third proportional to 984,162 and 1,257,542
Double scale
Find third proportional to 492,083 and 628,774
Similar ratio
Find third proportional to 738,121.50 and 943,156.50
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.