Home / 220,832-342,578

Finding the Third Proportional to 220,832 and 342,578

Calculator

Solution

The third proportional to 220,832 and 342,578 is: 531,443.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,832 : 342,578 = 342,578 : x
  2. Step 2: Convert to fraction form
    220,832/342,578 = 342,578/x
  3. Step 3: Cross multiply
    220,832x = 342,578 × 342,578
  4. Step 4: Simplify right side
    220,832x = 117,359,686,084
  5. Step 5: Solve for x
    x = 117,359,686,084/220,832
  6. Step 6: Final answer
    x = 531,443.30

Related Problems

Find third proportional to 110,416 and 171,289
Half scale
Find third proportional to 441,664 and 685,156
Double scale
Find third proportional to 220,834 and 342,581
Similar ratio
Find third proportional to 331,248 and 513,867
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.