Home / 392,560-851,504

Finding the Third Proportional to 392,560 and 851,504

Calculator

Solution

The third proportional to 392,560 and 851,504 is: 1,847,001.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,560 : 851,504 = 851,504 : x
  2. Step 2: Convert to fraction form
    392,560/851,504 = 851,504/x
  3. Step 3: Cross multiply
    392,560x = 851,504 × 851,504
  4. Step 4: Simplify right side
    392,560x = 725,059,062,016
  5. Step 5: Solve for x
    x = 725,059,062,016/392,560
  6. Step 6: Final answer
    x = 1,847,001.89

Related Problems

Find third proportional to 196,280 and 425,752
Half scale
Find third proportional to 785,120 and 1,703,008
Double scale
Find third proportional to 392,562 and 851,508
Similar ratio
Find third proportional to 588,840 and 1,277,256
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.