Home / 180,330-280,700

Finding the Third Proportional to 180,330 and 280,700

Calculator

Solution

The third proportional to 180,330 and 280,700 is: 436,935.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,330 : 280,700 = 280,700 : x
  2. Step 2: Convert to fraction form
    180,330/280,700 = 280,700/x
  3. Step 3: Cross multiply
    180,330x = 280,700 × 280,700
  4. Step 4: Simplify right side
    180,330x = 78,792,490,000
  5. Step 5: Solve for x
    x = 78,792,490,000/180,330
  6. Step 6: Final answer
    x = 436,935.01

Related Problems

Find third proportional to 90,165 and 140,350
Half scale
Find third proportional to 360,660 and 561,400
Double scale
Find third proportional to 180,332 and 280,703
Similar ratio
Find third proportional to 270,495 and 421,050
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.