Home / 318,882-693,811

Finding the Third Proportional to 318,882 and 693,811

Calculator

Solution

The third proportional to 318,882 and 693,811 is: 1,509,566.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,882 : 693,811 = 693,811 : x
  2. Step 2: Convert to fraction form
    318,882/693,811 = 693,811/x
  3. Step 3: Cross multiply
    318,882x = 693,811 × 693,811
  4. Step 4: Simplify right side
    318,882x = 481,373,703,721
  5. Step 5: Solve for x
    x = 481,373,703,721/318,882
  6. Step 6: Final answer
    x = 1,509,566.87

Related Problems

Find third proportional to 159,441 and 346,905.50
Half scale
Find third proportional to 637,764 and 1,387,622
Double scale
Find third proportional to 318,884 and 693,815
Similar ratio
Find third proportional to 478,323 and 1,040,716.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.