Home / 271,447-422,681

Finding the Third Proportional to 271,447 and 422,681

Calculator

Solution

The third proportional to 271,447 and 422,681 is: 658,173.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,447 : 422,681 = 422,681 : x
  2. Step 2: Convert to fraction form
    271,447/422,681 = 422,681/x
  3. Step 3: Cross multiply
    271,447x = 422,681 × 422,681
  4. Step 4: Simplify right side
    271,447x = 178,659,227,761
  5. Step 5: Solve for x
    x = 178,659,227,761/271,447
  6. Step 6: Final answer
    x = 658,173.52

Related Problems

Find third proportional to 135,723.50 and 211,340.50
Half scale
Find third proportional to 542,894 and 845,362
Double scale
Find third proportional to 271,449 and 422,684
Similar ratio
Find third proportional to 407,170.50 and 634,021.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.