Home / 84,309-180,578

Finding the Third Proportional to 84,309 and 180,578

Calculator

Solution

The third proportional to 84,309 and 180,578 is: 386,772.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,309 : 180,578 = 180,578 : x
  2. Step 2: Convert to fraction form
    84,309/180,578 = 180,578/x
  3. Step 3: Cross multiply
    84,309x = 180,578 × 180,578
  4. Step 4: Simplify right side
    84,309x = 32,608,414,084
  5. Step 5: Solve for x
    x = 32,608,414,084/84,309
  6. Step 6: Final answer
    x = 386,772.63

Related Problems

Find third proportional to 42,154.50 and 90,289
Half scale
Find third proportional to 168,618 and 361,156
Double scale
Find third proportional to 84,311 and 180,582
Similar ratio
Find third proportional to 126,463.50 and 270,867
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.