Home / 173,472-378,690

Finding the Third Proportional to 173,472 and 378,690

Calculator

Solution

The third proportional to 173,472 and 378,690 is: 826,681.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,472 : 378,690 = 378,690 : x
  2. Step 2: Convert to fraction form
    173,472/378,690 = 378,690/x
  3. Step 3: Cross multiply
    173,472x = 378,690 × 378,690
  4. Step 4: Simplify right side
    173,472x = 143,406,116,100
  5. Step 5: Solve for x
    x = 143,406,116,100/173,472
  6. Step 6: Final answer
    x = 826,681.63

Related Problems

Find third proportional to 86,736 and 189,345
Half scale
Find third proportional to 346,944 and 757,380
Double scale
Find third proportional to 173,474 and 378,694
Similar ratio
Find third proportional to 260,208 and 568,035
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.