Home / 809,120-1,165,512

Finding the Third Proportional to 809,120 and 1,165,512

Calculator

Solution

The third proportional to 809,120 and 1,165,512 is: 1,678,883.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,120 : 1,165,512 = 1,165,512 : x
  2. Step 2: Convert to fraction form
    809,120/1,165,512 = 1,165,512/x
  3. Step 3: Cross multiply
    809,120x = 1,165,512 × 1,165,512
  4. Step 4: Simplify right side
    809,120x = 1,358,418,222,144
  5. Step 5: Solve for x
    x = 1,358,418,222,144/809,120
  6. Step 6: Final answer
    x = 1,678,883.51

Related Problems

Find third proportional to 404,560 and 582,756
Half scale
Find third proportional to 1,618,240 and 2,331,024
Double scale
Find third proportional to 809,122 and 1,165,515
Similar ratio
Find third proportional to 1,213,680 and 1,748,268
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.