Home / 149,668-320,088

Finding the Third Proportional to 149,668 and 320,088

Calculator

Solution

The third proportional to 149,668 and 320,088 is: 684,557.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,668 : 320,088 = 320,088 : x
  2. Step 2: Convert to fraction form
    149,668/320,088 = 320,088/x
  3. Step 3: Cross multiply
    149,668x = 320,088 × 320,088
  4. Step 4: Simplify right side
    149,668x = 102,456,327,744
  5. Step 5: Solve for x
    x = 102,456,327,744/149,668
  6. Step 6: Final answer
    x = 684,557.34

Related Problems

Find third proportional to 74,834 and 160,044
Half scale
Find third proportional to 299,336 and 640,176
Double scale
Find third proportional to 149,670 and 320,092
Similar ratio
Find third proportional to 224,502 and 480,132
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.