Home / 786.75-856.50

Finding the Third Proportional to 786.75 and 856.50

Calculator

Solution

The third proportional to 786.75 and 856.50 is: 932.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    786.75 : 856.50 = 856.50 : x
  2. Step 2: Convert to fraction form
    786.75/856.50 = 856.50/x
  3. Step 3: Cross multiply
    786.75x = 856.50 × 856.50
  4. Step 4: Simplify right side
    786.75x = 733,592.25
  5. Step 5: Solve for x
    x = 733,592.25/786.75
  6. Step 6: Final answer
    x = 932.43

Related Problems

Find third proportional to 393.38 and 428.25
Half scale
Find third proportional to 1,573.50 and 1,713
Double scale
Find third proportional to 789 and 859
Similar ratio
Find third proportional to 1,180.13 and 1,284.75
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.