Home / 490,416-659,043

Finding the Third Proportional to 490,416 and 659,043

Calculator

Solution

The third proportional to 490,416 and 659,043 is: 885,651.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,416 : 659,043 = 659,043 : x
  2. Step 2: Convert to fraction form
    490,416/659,043 = 659,043/x
  3. Step 3: Cross multiply
    490,416x = 659,043 × 659,043
  4. Step 4: Simplify right side
    490,416x = 434,337,675,849
  5. Step 5: Solve for x
    x = 434,337,675,849/490,416
  6. Step 6: Final answer
    x = 885,651.52

Related Problems

Find third proportional to 245,208 and 329,521.50
Half scale
Find third proportional to 980,832 and 1,318,086
Double scale
Find third proportional to 490,418 and 659,046
Similar ratio
Find third proportional to 735,624 and 988,564.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.