Home / 406-610

Finding the Third Proportional to 406 and 610

Calculator

Solution

The third proportional to 406 and 610 is: 916.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    406 : 610 = 610 : x
  2. Step 2: Convert to fraction form
    406/610 = 610/x
  3. Step 3: Cross multiply
    406x = 610 × 610
  4. Step 4: Simplify right side
    406x = 372,100
  5. Step 5: Solve for x
    x = 372,100/406
  6. Step 6: Final answer
    x = 916.50

Related Problems

Find third proportional to 203 and 305
Half scale
Find third proportional to 812 and 1,220
Double scale
Find third proportional to 408 and 613
Similar ratio
Find third proportional to 609 and 915
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.