Home / 197,284-300,840

Finding the Third Proportional to 197,284 and 300,840

Calculator

Solution

The third proportional to 197,284 and 300,840 is: 458,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,284 : 300,840 = 300,840 : x
  2. Step 2: Convert to fraction form
    197,284/300,840 = 300,840/x
  3. Step 3: Cross multiply
    197,284x = 300,840 × 300,840
  4. Step 4: Simplify right side
    197,284x = 90,504,705,600
  5. Step 5: Solve for x
    x = 90,504,705,600/197,284
  6. Step 6: Final answer
    x = 458,753.40

Related Problems

Find third proportional to 98,642 and 150,420
Half scale
Find third proportional to 394,568 and 601,680
Double scale
Find third proportional to 197,286 and 300,843
Similar ratio
Find third proportional to 295,926 and 451,260
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.