Home / 321,702-635,329

Finding the Third Proportional to 321,702 and 635,329

Calculator

Solution

The third proportional to 321,702 and 635,329 is: 1,254,710.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,702 : 635,329 = 635,329 : x
  2. Step 2: Convert to fraction form
    321,702/635,329 = 635,329/x
  3. Step 3: Cross multiply
    321,702x = 635,329 × 635,329
  4. Step 4: Simplify right side
    321,702x = 403,642,938,241
  5. Step 5: Solve for x
    x = 403,642,938,241/321,702
  6. Step 6: Final answer
    x = 1,254,710.69

Related Problems

Find third proportional to 160,851 and 317,664.50
Half scale
Find third proportional to 643,404 and 1,270,658
Double scale
Find third proportional to 321,704 and 635,333
Similar ratio
Find third proportional to 482,553 and 952,993.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.