Home / 99,474-213,672

Finding the Third Proportional to 99,474 and 213,672

Calculator

Solution

The third proportional to 99,474 and 213,672 is: 458,971.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,474 : 213,672 = 213,672 : x
  2. Step 2: Convert to fraction form
    99,474/213,672 = 213,672/x
  3. Step 3: Cross multiply
    99,474x = 213,672 × 213,672
  4. Step 4: Simplify right side
    99,474x = 45,655,723,584
  5. Step 5: Solve for x
    x = 45,655,723,584/99,474
  6. Step 6: Final answer
    x = 458,971.43

Related Problems

Find third proportional to 49,737 and 106,836
Half scale
Find third proportional to 198,948 and 427,344
Double scale
Find third proportional to 99,476 and 213,676
Similar ratio
Find third proportional to 149,211 and 320,508
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.