Home / 207,400-329,780

Finding the Third Proportional to 207,400 and 329,780

Calculator

Solution

The third proportional to 207,400 and 329,780 is: 524,372.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,400 : 329,780 = 329,780 : x
  2. Step 2: Convert to fraction form
    207,400/329,780 = 329,780/x
  3. Step 3: Cross multiply
    207,400x = 329,780 × 329,780
  4. Step 4: Simplify right side
    207,400x = 108,754,848,400
  5. Step 5: Solve for x
    x = 108,754,848,400/207,400
  6. Step 6: Final answer
    x = 524,372.46

Related Problems

Find third proportional to 103,700 and 164,890
Half scale
Find third proportional to 414,800 and 659,560
Double scale
Find third proportional to 207,402 and 329,783
Similar ratio
Find third proportional to 311,100 and 494,670
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.