Home / 202,140-440,140

Finding the Third Proportional to 202,140 and 440,140

Calculator

Solution

The third proportional to 202,140 and 440,140 is: 958,361.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,140 : 440,140 = 440,140 : x
  2. Step 2: Convert to fraction form
    202,140/440,140 = 440,140/x
  3. Step 3: Cross multiply
    202,140x = 440,140 × 440,140
  4. Step 4: Simplify right side
    202,140x = 193,723,219,600
  5. Step 5: Solve for x
    x = 193,723,219,600/202,140
  6. Step 6: Final answer
    x = 958,361.63

Related Problems

Find third proportional to 101,070 and 220,070
Half scale
Find third proportional to 404,280 and 880,280
Double scale
Find third proportional to 202,142 and 440,144
Similar ratio
Find third proportional to 303,210 and 660,210
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.