Home / 142,338-329,477

Finding the Third Proportional to 142,338 and 329,477

Calculator

Solution

The third proportional to 142,338 and 329,477 is: 762,657.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,338 : 329,477 = 329,477 : x
  2. Step 2: Convert to fraction form
    142,338/329,477 = 329,477/x
  3. Step 3: Cross multiply
    142,338x = 329,477 × 329,477
  4. Step 4: Simplify right side
    142,338x = 108,555,093,529
  5. Step 5: Solve for x
    x = 108,555,093,529/142,338
  6. Step 6: Final answer
    x = 762,657.15

Related Problems

Find third proportional to 71,169 and 164,738.50
Half scale
Find third proportional to 284,676 and 658,954
Double scale
Find third proportional to 142,340 and 329,482
Similar ratio
Find third proportional to 213,507 and 494,215.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.