Home / 902.81-1,395.56

Finding the Third Proportional to 902.81 and 1,395.56

Calculator

Solution

The third proportional to 902.81 and 1,395.56 is: 2,157.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    902.81 : 1,395.56 = 1,395.56 : x
  2. Step 2: Convert to fraction form
    902.81/1,395.56 = 1,395.56/x
  3. Step 3: Cross multiply
    902.81x = 1,395.56 × 1,395.56
  4. Step 4: Simplify right side
    902.81x = 1,947,594.69
  5. Step 5: Solve for x
    x = 1,947,594.69/902.81
  6. Step 6: Final answer
    x = 2,157.25

Related Problems

Find third proportional to 451.41 and 697.78
Half scale
Find third proportional to 1,805.63 and 2,791.13
Double scale
Find third proportional to 905 and 1,399
Similar ratio
Find third proportional to 1,354.22 and 2,093.34
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.