Home / 151,929-313,578

Finding the Third Proportional to 151,929 and 313,578

Calculator

Solution

The third proportional to 151,929 and 313,578 is: 647,217.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,929 : 313,578 = 313,578 : x
  2. Step 2: Convert to fraction form
    151,929/313,578 = 313,578/x
  3. Step 3: Cross multiply
    151,929x = 313,578 × 313,578
  4. Step 4: Simplify right side
    151,929x = 98,331,162,084
  5. Step 5: Solve for x
    x = 98,331,162,084/151,929
  6. Step 6: Final answer
    x = 647,217.86

Related Problems

Find third proportional to 75,964.50 and 156,789
Half scale
Find third proportional to 303,858 and 627,156
Double scale
Find third proportional to 151,931 and 313,582
Similar ratio
Find third proportional to 227,893.50 and 470,367
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.