Home / 133,278-290,610

Finding the Third Proportional to 133,278 and 290,610

Calculator

Solution

The third proportional to 133,278 and 290,610 is: 633,669.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,278 : 290,610 = 290,610 : x
  2. Step 2: Convert to fraction form
    133,278/290,610 = 290,610/x
  3. Step 3: Cross multiply
    133,278x = 290,610 × 290,610
  4. Step 4: Simplify right side
    133,278x = 84,454,172,100
  5. Step 5: Solve for x
    x = 84,454,172,100/133,278
  6. Step 6: Final answer
    x = 633,669.26

Related Problems

Find third proportional to 66,639 and 145,305
Half scale
Find third proportional to 266,556 and 581,220
Double scale
Find third proportional to 133,280 and 290,614
Similar ratio
Find third proportional to 199,917 and 435,915
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.