Home / 289,522-628,604

Finding the Third Proportional to 289,522 and 628,604

Calculator

Solution

The third proportional to 289,522 and 628,604 is: 1,364,811.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,522 : 628,604 = 628,604 : x
  2. Step 2: Convert to fraction form
    289,522/628,604 = 628,604/x
  3. Step 3: Cross multiply
    289,522x = 628,604 × 628,604
  4. Step 4: Simplify right side
    289,522x = 395,142,988,816
  5. Step 5: Solve for x
    x = 395,142,988,816/289,522
  6. Step 6: Final answer
    x = 1,364,811.62

Related Problems

Find third proportional to 144,761 and 314,302
Half scale
Find third proportional to 579,044 and 1,257,208
Double scale
Find third proportional to 289,524 and 628,608
Similar ratio
Find third proportional to 434,283 and 942,906
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.