Home / 153,992-320,080

Finding the Third Proportional to 153,992 and 320,080

Calculator

Solution

The third proportional to 153,992 and 320,080 is: 665,302.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,992 : 320,080 = 320,080 : x
  2. Step 2: Convert to fraction form
    153,992/320,080 = 320,080/x
  3. Step 3: Cross multiply
    153,992x = 320,080 × 320,080
  4. Step 4: Simplify right side
    153,992x = 102,451,206,400
  5. Step 5: Solve for x
    x = 102,451,206,400/153,992
  6. Step 6: Final answer
    x = 665,302.14

Related Problems

Find third proportional to 76,996 and 160,040
Half scale
Find third proportional to 307,984 and 640,160
Double scale
Find third proportional to 153,994 and 320,084
Similar ratio
Find third proportional to 230,988 and 480,120
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.