Home / 142,799-310,180

Finding the Third Proportional to 142,799 and 310,180

Calculator

Solution

The third proportional to 142,799 and 310,180 is: 673,755.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,799 : 310,180 = 310,180 : x
  2. Step 2: Convert to fraction form
    142,799/310,180 = 310,180/x
  3. Step 3: Cross multiply
    142,799x = 310,180 × 310,180
  4. Step 4: Simplify right side
    142,799x = 96,211,632,400
  5. Step 5: Solve for x
    x = 96,211,632,400/142,799
  6. Step 6: Final answer
    x = 673,755.65

Related Problems

Find third proportional to 71,399.50 and 155,090
Half scale
Find third proportional to 285,598 and 620,360
Double scale
Find third proportional to 142,801 and 310,184
Similar ratio
Find third proportional to 214,198.50 and 465,270
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.