Home / 429,048-642,744

Finding the Third Proportional to 429,048 and 642,744

Calculator

Solution

The third proportional to 429,048 and 642,744 is: 962,875.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,048 : 642,744 = 642,744 : x
  2. Step 2: Convert to fraction form
    429,048/642,744 = 642,744/x
  3. Step 3: Cross multiply
    429,048x = 642,744 × 642,744
  4. Step 4: Simplify right side
    429,048x = 413,119,849,536
  5. Step 5: Solve for x
    x = 413,119,849,536/429,048
  6. Step 6: Final answer
    x = 962,875.60

Related Problems

Find third proportional to 214,524 and 321,372
Half scale
Find third proportional to 858,096 and 1,285,488
Double scale
Find third proportional to 429,050 and 642,747
Similar ratio
Find third proportional to 643,572 and 964,116
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.