Home / 314,845-679,442

Finding the Third Proportional to 314,845 and 679,442

Calculator

Solution

The third proportional to 314,845 and 679,442 is: 1,466,249.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,845 : 679,442 = 679,442 : x
  2. Step 2: Convert to fraction form
    314,845/679,442 = 679,442/x
  3. Step 3: Cross multiply
    314,845x = 679,442 × 679,442
  4. Step 4: Simplify right side
    314,845x = 461,641,431,364
  5. Step 5: Solve for x
    x = 461,641,431,364/314,845
  6. Step 6: Final answer
    x = 1,466,249.84

Related Problems

Find third proportional to 157,422.50 and 339,721
Half scale
Find third proportional to 629,690 and 1,358,884
Double scale
Find third proportional to 314,847 and 679,446
Similar ratio
Find third proportional to 472,267.50 and 1,019,163
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.