Home / 277,284-396,530

Finding the Third Proportional to 277,284 and 396,530

Calculator

Solution

The third proportional to 277,284 and 396,530 is: 567,057.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,284 : 396,530 = 396,530 : x
  2. Step 2: Convert to fraction form
    277,284/396,530 = 396,530/x
  3. Step 3: Cross multiply
    277,284x = 396,530 × 396,530
  4. Step 4: Simplify right side
    277,284x = 157,236,040,900
  5. Step 5: Solve for x
    x = 157,236,040,900/277,284
  6. Step 6: Final answer
    x = 567,057.75

Related Problems

Find third proportional to 138,642 and 198,265
Half scale
Find third proportional to 554,568 and 793,060
Double scale
Find third proportional to 277,286 and 396,533
Similar ratio
Find third proportional to 415,926 and 594,795
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.