Home / 133,090-290,266

Finding the Third Proportional to 133,090 and 290,266

Calculator

Solution

The third proportional to 133,090 and 290,266 is: 633,062.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,090 : 290,266 = 290,266 : x
  2. Step 2: Convert to fraction form
    133,090/290,266 = 290,266/x
  3. Step 3: Cross multiply
    133,090x = 290,266 × 290,266
  4. Step 4: Simplify right side
    133,090x = 84,254,350,756
  5. Step 5: Solve for x
    x = 84,254,350,756/133,090
  6. Step 6: Final answer
    x = 633,062.97

Related Problems

Find third proportional to 66,545 and 145,133
Half scale
Find third proportional to 266,180 and 580,532
Double scale
Find third proportional to 133,092 and 290,270
Similar ratio
Find third proportional to 199,635 and 435,399
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.