Home / 280,494-617,084

Finding the Third Proportional to 280,494 and 617,084

Calculator

Solution

The third proportional to 280,494 and 617,084 is: 1,357,578.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,494 : 617,084 = 617,084 : x
  2. Step 2: Convert to fraction form
    280,494/617,084 = 617,084/x
  3. Step 3: Cross multiply
    280,494x = 617,084 × 617,084
  4. Step 4: Simplify right side
    280,494x = 380,792,663,056
  5. Step 5: Solve for x
    x = 380,792,663,056/280,494
  6. Step 6: Final answer
    x = 1,357,578.64

Related Problems

Find third proportional to 140,247 and 308,542
Half scale
Find third proportional to 560,988 and 1,234,168
Double scale
Find third proportional to 280,496 and 617,088
Similar ratio
Find third proportional to 420,741 and 925,626
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.