Home / 299,166-637,860

Finding the Third Proportional to 299,166 and 637,860

Calculator

Solution

The third proportional to 299,166 and 637,860 is: 1,359,998.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,166 : 637,860 = 637,860 : x
  2. Step 2: Convert to fraction form
    299,166/637,860 = 637,860/x
  3. Step 3: Cross multiply
    299,166x = 637,860 × 637,860
  4. Step 4: Simplify right side
    299,166x = 406,865,379,600
  5. Step 5: Solve for x
    x = 406,865,379,600/299,166
  6. Step 6: Final answer
    x = 1,359,998.73

Related Problems

Find third proportional to 149,583 and 318,930
Half scale
Find third proportional to 598,332 and 1,275,720
Double scale
Find third proportional to 299,168 and 637,864
Similar ratio
Find third proportional to 448,749 and 956,790
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.