Home / 640,078-961,818

Finding the Third Proportional to 640,078 and 961,818

Calculator

Solution

The third proportional to 640,078 and 961,818 is: 1,445,283.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,078 : 961,818 = 961,818 : x
  2. Step 2: Convert to fraction form
    640,078/961,818 = 961,818/x
  3. Step 3: Cross multiply
    640,078x = 961,818 × 961,818
  4. Step 4: Simplify right side
    640,078x = 925,093,865,124
  5. Step 5: Solve for x
    x = 925,093,865,124/640,078
  6. Step 6: Final answer
    x = 1,445,283.02

Related Problems

Find third proportional to 320,039 and 480,909
Half scale
Find third proportional to 1,280,156 and 1,923,636
Double scale
Find third proportional to 640,080 and 961,821
Similar ratio
Find third proportional to 960,117 and 1,442,727
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.