Home / 267,647-391,416

Finding the Third Proportional to 267,647 and 391,416

Calculator

Solution

The third proportional to 267,647 and 391,416 is: 572,419.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,647 : 391,416 = 391,416 : x
  2. Step 2: Convert to fraction form
    267,647/391,416 = 391,416/x
  3. Step 3: Cross multiply
    267,647x = 391,416 × 391,416
  4. Step 4: Simplify right side
    267,647x = 153,206,485,056
  5. Step 5: Solve for x
    x = 153,206,485,056/267,647
  6. Step 6: Final answer
    x = 572,419.96

Related Problems

Find third proportional to 133,823.50 and 195,708
Half scale
Find third proportional to 535,294 and 782,832
Double scale
Find third proportional to 267,649 and 391,419
Similar ratio
Find third proportional to 401,470.50 and 587,124
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.