Home / 156,813-338,772

Finding the Third Proportional to 156,813 and 338,772

Calculator

Solution

The third proportional to 156,813 and 338,772 is: 731,868.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,813 : 338,772 = 338,772 : x
  2. Step 2: Convert to fraction form
    156,813/338,772 = 338,772/x
  3. Step 3: Cross multiply
    156,813x = 338,772 × 338,772
  4. Step 4: Simplify right side
    156,813x = 114,766,467,984
  5. Step 5: Solve for x
    x = 114,766,467,984/156,813
  6. Step 6: Final answer
    x = 731,868.33

Related Problems

Find third proportional to 78,406.50 and 169,386
Half scale
Find third proportional to 313,626 and 677,544
Double scale
Find third proportional to 156,815 and 338,776
Similar ratio
Find third proportional to 235,219.50 and 508,158
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.