Home / 213,428-494,042

Finding the Third Proportional to 213,428 and 494,042

Calculator

Solution

The third proportional to 213,428 and 494,042 is: 1,143,605.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,428 : 494,042 = 494,042 : x
  2. Step 2: Convert to fraction form
    213,428/494,042 = 494,042/x
  3. Step 3: Cross multiply
    213,428x = 494,042 × 494,042
  4. Step 4: Simplify right side
    213,428x = 244,077,497,764
  5. Step 5: Solve for x
    x = 244,077,497,764/213,428
  6. Step 6: Final answer
    x = 1,143,605.80

Related Problems

Find third proportional to 106,714 and 247,021
Half scale
Find third proportional to 426,856 and 988,084
Double scale
Find third proportional to 213,430 and 494,047
Similar ratio
Find third proportional to 320,142 and 741,063
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.