Home / 175,330-378,699

Finding the Third Proportional to 175,330 and 378,699

Calculator

Solution

The third proportional to 175,330 and 378,699 is: 817,960.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,330 : 378,699 = 378,699 : x
  2. Step 2: Convert to fraction form
    175,330/378,699 = 378,699/x
  3. Step 3: Cross multiply
    175,330x = 378,699 × 378,699
  4. Step 4: Simplify right side
    175,330x = 143,412,932,601
  5. Step 5: Solve for x
    x = 143,412,932,601/175,330
  6. Step 6: Final answer
    x = 817,960.03

Related Problems

Find third proportional to 87,665 and 189,349.50
Half scale
Find third proportional to 350,660 and 757,398
Double scale
Find third proportional to 175,332 and 378,703
Similar ratio
Find third proportional to 262,995 and 568,048.50
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.