Home / 354,680-778,264

Finding the Third Proportional to 354,680 and 778,264

Calculator

Solution

The third proportional to 354,680 and 778,264 is: 1,707,722.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,680 : 778,264 = 778,264 : x
  2. Step 2: Convert to fraction form
    354,680/778,264 = 778,264/x
  3. Step 3: Cross multiply
    354,680x = 778,264 × 778,264
  4. Step 4: Simplify right side
    354,680x = 605,694,853,696
  5. Step 5: Solve for x
    x = 605,694,853,696/354,680
  6. Step 6: Final answer
    x = 1,707,722.04

Related Problems

Find third proportional to 177,340 and 389,132
Half scale
Find third proportional to 709,360 and 1,556,528
Double scale
Find third proportional to 354,682 and 778,268
Similar ratio
Find third proportional to 532,020 and 1,167,396
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.