Home / 129,404-198,201

Finding the Third Proportional to 129,404 and 198,201

Calculator

Solution

The third proportional to 129,404 and 198,201 is: 303,573.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,404 : 198,201 = 198,201 : x
  2. Step 2: Convert to fraction form
    129,404/198,201 = 198,201/x
  3. Step 3: Cross multiply
    129,404x = 198,201 × 198,201
  4. Step 4: Simplify right side
    129,404x = 39,283,636,401
  5. Step 5: Solve for x
    x = 39,283,636,401/129,404
  6. Step 6: Final answer
    x = 303,573.59

Related Problems

Find third proportional to 64,702 and 99,100.50
Half scale
Find third proportional to 258,808 and 396,402
Double scale
Find third proportional to 129,406 and 198,204
Similar ratio
Find third proportional to 194,106 and 297,301.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.