Home / 809-882.50

Finding the Third Proportional to 809 and 882.50

Calculator

Solution

The third proportional to 809 and 882.50 is: 962.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    809 : 882.50 = 882.50 : x
  2. Step 2: Convert to fraction form
    809/882.50 = 882.50/x
  3. Step 3: Cross multiply
    809x = 882.50 × 882.50
  4. Step 4: Simplify right side
    809x = 778,806.25
  5. Step 5: Solve for x
    x = 778,806.25/809
  6. Step 6: Final answer
    x = 962.68

Related Problems

Find third proportional to 404.50 and 441.25
Half scale
Find third proportional to 1,618 and 1,765
Double scale
Find third proportional to 811 and 885
Similar ratio
Find third proportional to 1,213.50 and 1,323.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.