Home / 274,284-411,426

Finding the Third Proportional to 274,284 and 411,426

Calculator

Solution

The third proportional to 274,284 and 411,426 is: 617,139

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,284 : 411,426 = 411,426 : x
  2. Step 2: Convert to fraction form
    274,284/411,426 = 411,426/x
  3. Step 3: Cross multiply
    274,284x = 411,426 × 411,426
  4. Step 4: Simplify right side
    274,284x = 169,271,353,476
  5. Step 5: Solve for x
    x = 169,271,353,476/274,284
  6. Step 6: Final answer
    x = 617,139

Related Problems

Find third proportional to 137,142 and 205,713
Half scale
Find third proportional to 548,568 and 822,852
Double scale
Find third proportional to 274,286 and 411,429
Similar ratio
Find third proportional to 411,426 and 617,139
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.