Home / 197,280-309,062

Finding the Third Proportional to 197,280 and 309,062

Calculator

Solution

The third proportional to 197,280 and 309,062 is: 484,181.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,280 : 309,062 = 309,062 : x
  2. Step 2: Convert to fraction form
    197,280/309,062 = 309,062/x
  3. Step 3: Cross multiply
    197,280x = 309,062 × 309,062
  4. Step 4: Simplify right side
    197,280x = 95,519,319,844
  5. Step 5: Solve for x
    x = 95,519,319,844/197,280
  6. Step 6: Final answer
    x = 484,181.47

Related Problems

Find third proportional to 98,640 and 154,531
Half scale
Find third proportional to 394,560 and 618,124
Double scale
Find third proportional to 197,282 and 309,065
Similar ratio
Find third proportional to 295,920 and 463,593
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.