Home / 328,999-495,929

Finding the Third Proportional to 328,999 and 495,929

Calculator

Solution

The third proportional to 328,999 and 495,929 is: 747,557.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,999 : 495,929 = 495,929 : x
  2. Step 2: Convert to fraction form
    328,999/495,929 = 495,929/x
  3. Step 3: Cross multiply
    328,999x = 495,929 × 495,929
  4. Step 4: Simplify right side
    328,999x = 245,945,573,041
  5. Step 5: Solve for x
    x = 245,945,573,041/328,999
  6. Step 6: Final answer
    x = 747,557.21

Related Problems

Find third proportional to 164,499.50 and 247,964.50
Half scale
Find third proportional to 657,998 and 991,858
Double scale
Find third proportional to 329,001 and 495,932
Similar ratio
Find third proportional to 493,498.50 and 743,893.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.