Home / 395,824-805,472

Finding the Third Proportional to 395,824 and 805,472

Calculator

Solution

The third proportional to 395,824 and 805,472 is: 1,639,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,824 : 805,472 = 805,472 : x
  2. Step 2: Convert to fraction form
    395,824/805,472 = 805,472/x
  3. Step 3: Cross multiply
    395,824x = 805,472 × 805,472
  4. Step 4: Simplify right side
    395,824x = 648,785,142,784
  5. Step 5: Solve for x
    x = 648,785,142,784/395,824
  6. Step 6: Final answer
    x = 1,639,074.80

Related Problems

Find third proportional to 197,912 and 402,736
Half scale
Find third proportional to 791,648 and 1,610,944
Double scale
Find third proportional to 395,826 and 805,476
Similar ratio
Find third proportional to 593,736 and 1,208,208
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.