Home / 199,277-422,854

Finding the Third Proportional to 199,277 and 422,854

Calculator

Solution

The third proportional to 199,277 and 422,854 is: 897,271.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,277 : 422,854 = 422,854 : x
  2. Step 2: Convert to fraction form
    199,277/422,854 = 422,854/x
  3. Step 3: Cross multiply
    199,277x = 422,854 × 422,854
  4. Step 4: Simplify right side
    199,277x = 178,805,505,316
  5. Step 5: Solve for x
    x = 178,805,505,316/199,277
  6. Step 6: Final answer
    x = 897,271.16

Related Problems

Find third proportional to 99,638.50 and 211,427
Half scale
Find third proportional to 398,554 and 845,708
Double scale
Find third proportional to 199,279 and 422,858
Similar ratio
Find third proportional to 298,915.50 and 634,281
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.