Home / 386,360-814,672

Finding the Third Proportional to 386,360 and 814,672

Calculator

Solution

The third proportional to 386,360 and 814,672 is: 1,717,803.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,360 : 814,672 = 814,672 : x
  2. Step 2: Convert to fraction form
    386,360/814,672 = 814,672/x
  3. Step 3: Cross multiply
    386,360x = 814,672 × 814,672
  4. Step 4: Simplify right side
    386,360x = 663,690,467,584
  5. Step 5: Solve for x
    x = 663,690,467,584/386,360
  6. Step 6: Final answer
    x = 1,717,803.26

Related Problems

Find third proportional to 193,180 and 407,336
Half scale
Find third proportional to 772,720 and 1,629,344
Double scale
Find third proportional to 386,362 and 814,676
Similar ratio
Find third proportional to 579,540 and 1,222,008
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.