Home / 306,201-664,980

Finding the Third Proportional to 306,201 and 664,980

Calculator

Solution

The third proportional to 306,201 and 664,980 is: 1,444,144.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,201 : 664,980 = 664,980 : x
  2. Step 2: Convert to fraction form
    306,201/664,980 = 664,980/x
  3. Step 3: Cross multiply
    306,201x = 664,980 × 664,980
  4. Step 4: Simplify right side
    306,201x = 442,198,400,400
  5. Step 5: Solve for x
    x = 442,198,400,400/306,201
  6. Step 6: Final answer
    x = 1,444,144.21

Related Problems

Find third proportional to 153,100.50 and 332,490
Half scale
Find third proportional to 612,402 and 1,329,960
Double scale
Find third proportional to 306,203 and 664,984
Similar ratio
Find third proportional to 459,301.50 and 997,470
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.