Home / 173,384-378,520

Finding the Third Proportional to 173,384 and 378,520

Calculator

Solution

The third proportional to 173,384 and 378,520 is: 826,358.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,384 : 378,520 = 378,520 : x
  2. Step 2: Convert to fraction form
    173,384/378,520 = 378,520/x
  3. Step 3: Cross multiply
    173,384x = 378,520 × 378,520
  4. Step 4: Simplify right side
    173,384x = 143,277,390,400
  5. Step 5: Solve for x
    x = 143,277,390,400/173,384
  6. Step 6: Final answer
    x = 826,358.78

Related Problems

Find third proportional to 86,692 and 189,260
Half scale
Find third proportional to 346,768 and 757,040
Double scale
Find third proportional to 173,386 and 378,524
Similar ratio
Find third proportional to 260,076 and 567,780
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.