Home / 408,843-572,913

Finding the Third Proportional to 408,843 and 572,913

Calculator

Solution

The third proportional to 408,843 and 572,913 is: 802,824.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,843 : 572,913 = 572,913 : x
  2. Step 2: Convert to fraction form
    408,843/572,913 = 572,913/x
  3. Step 3: Cross multiply
    408,843x = 572,913 × 572,913
  4. Step 4: Simplify right side
    408,843x = 328,229,305,569
  5. Step 5: Solve for x
    x = 328,229,305,569/408,843
  6. Step 6: Final answer
    x = 802,824.81

Related Problems

Find third proportional to 204,421.50 and 286,456.50
Half scale
Find third proportional to 817,686 and 1,145,826
Double scale
Find third proportional to 408,845 and 572,916
Similar ratio
Find third proportional to 613,264.50 and 859,369.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.