Home / 282,402-394,995

Finding the Third Proportional to 282,402 and 394,995

Calculator

Solution

The third proportional to 282,402 and 394,995 is: 552,478.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,402 : 394,995 = 394,995 : x
  2. Step 2: Convert to fraction form
    282,402/394,995 = 394,995/x
  3. Step 3: Cross multiply
    282,402x = 394,995 × 394,995
  4. Step 4: Simplify right side
    282,402x = 156,021,050,025
  5. Step 5: Solve for x
    x = 156,021,050,025/282,402
  6. Step 6: Final answer
    x = 552,478.56

Related Problems

Find third proportional to 141,201 and 197,497.50
Half scale
Find third proportional to 564,804 and 789,990
Double scale
Find third proportional to 282,404 and 394,998
Similar ratio
Find third proportional to 423,603 and 592,492.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.