Home / 196,678-422,031

Finding the Third Proportional to 196,678 and 422,031

Calculator

Solution

The third proportional to 196,678 and 422,031 is: 905,592.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,678 : 422,031 = 422,031 : x
  2. Step 2: Convert to fraction form
    196,678/422,031 = 422,031/x
  3. Step 3: Cross multiply
    196,678x = 422,031 × 422,031
  4. Step 4: Simplify right side
    196,678x = 178,110,164,961
  5. Step 5: Solve for x
    x = 178,110,164,961/196,678
  6. Step 6: Final answer
    x = 905,592.72

Related Problems

Find third proportional to 98,339 and 211,015.50
Half scale
Find third proportional to 393,356 and 844,062
Double scale
Find third proportional to 196,680 and 422,035
Similar ratio
Find third proportional to 295,017 and 633,046.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.