Home / 311,578-675,644

Finding the Third Proportional to 311,578 and 675,644

Calculator

Solution

The third proportional to 311,578 and 675,644 is: 1,465,106.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,578 : 675,644 = 675,644 : x
  2. Step 2: Convert to fraction form
    311,578/675,644 = 675,644/x
  3. Step 3: Cross multiply
    311,578x = 675,644 × 675,644
  4. Step 4: Simplify right side
    311,578x = 456,494,814,736
  5. Step 5: Solve for x
    x = 456,494,814,736/311,578
  6. Step 6: Final answer
    x = 1,465,106.06

Related Problems

Find third proportional to 155,789 and 337,822
Half scale
Find third proportional to 623,156 and 1,351,288
Double scale
Find third proportional to 311,580 and 675,648
Similar ratio
Find third proportional to 467,367 and 1,013,466
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.