Home / 407,936-874,876

Finding the Third Proportional to 407,936 and 874,876

Calculator

Solution

The third proportional to 407,936 and 874,876 is: 1,876,294.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,936 : 874,876 = 874,876 : x
  2. Step 2: Convert to fraction form
    407,936/874,876 = 874,876/x
  3. Step 3: Cross multiply
    407,936x = 874,876 × 874,876
  4. Step 4: Simplify right side
    407,936x = 765,408,015,376
  5. Step 5: Solve for x
    x = 765,408,015,376/407,936
  6. Step 6: Final answer
    x = 1,876,294.36

Related Problems

Find third proportional to 203,968 and 437,438
Half scale
Find third proportional to 815,872 and 1,749,752
Double scale
Find third proportional to 407,938 and 874,880
Similar ratio
Find third proportional to 611,904 and 1,312,314
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.