Home / 690,816-1,065,756

Finding the Third Proportional to 690,816 and 1,065,756

Calculator

Solution

The third proportional to 690,816 and 1,065,756 is: 1,644,194.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,816 : 1,065,756 = 1,065,756 : x
  2. Step 2: Convert to fraction form
    690,816/1,065,756 = 1,065,756/x
  3. Step 3: Cross multiply
    690,816x = 1,065,756 × 1,065,756
  4. Step 4: Simplify right side
    690,816x = 1,135,835,851,536
  5. Step 5: Solve for x
    x = 1,135,835,851,536/690,816
  6. Step 6: Final answer
    x = 1,644,194.48

Related Problems

Find third proportional to 345,408 and 532,878
Half scale
Find third proportional to 1,381,632 and 2,131,512
Double scale
Find third proportional to 690,818 and 1,065,759
Similar ratio
Find third proportional to 1,036,224 and 1,598,634
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.