Home / 177,400-275,444

Finding the Third Proportional to 177,400 and 275,444

Calculator

Solution

The third proportional to 177,400 and 275,444 is: 427,674.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,400 : 275,444 = 275,444 : x
  2. Step 2: Convert to fraction form
    177,400/275,444 = 275,444/x
  3. Step 3: Cross multiply
    177,400x = 275,444 × 275,444
  4. Step 4: Simplify right side
    177,400x = 75,869,397,136
  5. Step 5: Solve for x
    x = 75,869,397,136/177,400
  6. Step 6: Final answer
    x = 427,674.17

Related Problems

Find third proportional to 88,700 and 137,722
Half scale
Find third proportional to 354,800 and 550,888
Double scale
Find third proportional to 177,402 and 275,447
Similar ratio
Find third proportional to 266,100 and 413,166
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.