Home / 290,316-622,104

Finding the Third Proportional to 290,316 and 622,104

Calculator

Solution

The third proportional to 290,316 and 622,104 is: 1,333,076.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,316 : 622,104 = 622,104 : x
  2. Step 2: Convert to fraction form
    290,316/622,104 = 622,104/x
  3. Step 3: Cross multiply
    290,316x = 622,104 × 622,104
  4. Step 4: Simplify right side
    290,316x = 387,013,386,816
  5. Step 5: Solve for x
    x = 387,013,386,816/290,316
  6. Step 6: Final answer
    x = 1,333,076.33

Related Problems

Find third proportional to 145,158 and 311,052
Half scale
Find third proportional to 580,632 and 1,244,208
Double scale
Find third proportional to 290,318 and 622,108
Similar ratio
Find third proportional to 435,474 and 933,156
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.