Home / 178,620-381,804

Finding the Third Proportional to 178,620 and 381,804

Calculator

Solution

The third proportional to 178,620 and 381,804 is: 816,114.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,620 : 381,804 = 381,804 : x
  2. Step 2: Convert to fraction form
    178,620/381,804 = 381,804/x
  3. Step 3: Cross multiply
    178,620x = 381,804 × 381,804
  4. Step 4: Simplify right side
    178,620x = 145,774,294,416
  5. Step 5: Solve for x
    x = 145,774,294,416/178,620
  6. Step 6: Final answer
    x = 816,114.07

Related Problems

Find third proportional to 89,310 and 190,902
Half scale
Find third proportional to 357,240 and 763,608
Double scale
Find third proportional to 178,622 and 381,808
Similar ratio
Find third proportional to 267,930 and 572,706
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.