Home / 354,398-757,971

Finding the Third Proportional to 354,398 and 757,971

Calculator

Solution

The third proportional to 354,398 and 757,971 is: 1,621,115.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,398 : 757,971 = 757,971 : x
  2. Step 2: Convert to fraction form
    354,398/757,971 = 757,971/x
  3. Step 3: Cross multiply
    354,398x = 757,971 × 757,971
  4. Step 4: Simplify right side
    354,398x = 574,520,036,841
  5. Step 5: Solve for x
    x = 574,520,036,841/354,398
  6. Step 6: Final answer
    x = 1,621,115.35

Related Problems

Find third proportional to 177,199 and 378,985.50
Half scale
Find third proportional to 708,796 and 1,515,942
Double scale
Find third proportional to 354,400 and 757,975
Similar ratio
Find third proportional to 531,597 and 1,136,956.50
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.