Home / 378,235,844-828,215,368

Finding the Third Proportional to 378,235,844 and 828,215,368

Calculator

Solution

The third proportional to 378,235,844 and 828,215,368 is: 1,813,526,419.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,235,844 : 828,215,368 = 828,215,368 : x
  2. Step 2: Convert to fraction form
    378,235,844/828,215,368 = 828,215,368/x
  3. Step 3: Cross multiply
    378,235,844x = 828,215,368 × 828,215,368
  4. Step 4: Simplify right side
    378,235,844x = 685,940,695,791,375,360
  5. Step 5: Solve for x
    x = 685,940,695,791,375,360/378,235,844
  6. Step 6: Final answer
    x = 1,813,526,419.22

Related Problems

Find third proportional to 189,117,922 and 414,107,684
Half scale
Find third proportional to 756,471,688 and 1,656,430,736
Double scale
Find third proportional to 378,235,846 and 828,215,372
Similar ratio
Find third proportional to 567,353,766 and 1,242,323,052
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.