Home / 429,660-644,192

Finding the Third Proportional to 429,660 and 644,192

Calculator

Solution

The third proportional to 429,660 and 644,192 is: 965,841.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,660 : 644,192 = 644,192 : x
  2. Step 2: Convert to fraction form
    429,660/644,192 = 644,192/x
  3. Step 3: Cross multiply
    429,660x = 644,192 × 644,192
  4. Step 4: Simplify right side
    429,660x = 414,983,332,864
  5. Step 5: Solve for x
    x = 414,983,332,864/429,660
  6. Step 6: Final answer
    x = 965,841.21

Related Problems

Find third proportional to 214,830 and 322,096
Half scale
Find third proportional to 859,320 and 1,288,384
Double scale
Find third proportional to 429,662 and 644,195
Similar ratio
Find third proportional to 644,490 and 966,288
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.