Home / 274,220-611,457

Finding the Third Proportional to 274,220 and 611,457

Calculator

Solution

The third proportional to 274,220 and 611,457 is: 1,363,429.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,220 : 611,457 = 611,457 : x
  2. Step 2: Convert to fraction form
    274,220/611,457 = 611,457/x
  3. Step 3: Cross multiply
    274,220x = 611,457 × 611,457
  4. Step 4: Simplify right side
    274,220x = 373,879,662,849
  5. Step 5: Solve for x
    x = 373,879,662,849/274,220
  6. Step 6: Final answer
    x = 1,363,429.59

Related Problems

Find third proportional to 137,110 and 305,728.50
Half scale
Find third proportional to 548,440 and 1,222,914
Double scale
Find third proportional to 274,222 and 611,461
Similar ratio
Find third proportional to 411,330 and 917,185.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.