Home / 297,225-644,238

Finding the Third Proportional to 297,225 and 644,238

Calculator

Solution

The third proportional to 297,225 and 644,238 is: 1,396,391.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,225 : 644,238 = 644,238 : x
  2. Step 2: Convert to fraction form
    297,225/644,238 = 644,238/x
  3. Step 3: Cross multiply
    297,225x = 644,238 × 644,238
  4. Step 4: Simplify right side
    297,225x = 415,042,600,644
  5. Step 5: Solve for x
    x = 415,042,600,644/297,225
  6. Step 6: Final answer
    x = 1,396,391.96

Related Problems

Find third proportional to 148,612.50 and 322,119
Half scale
Find third proportional to 594,450 and 1,288,476
Double scale
Find third proportional to 297,227 and 644,242
Similar ratio
Find third proportional to 445,837.50 and 966,357
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.