Home / 68,331-140,064

Finding the Third Proportional to 68,331 and 140,064

Calculator

Solution

The third proportional to 68,331 and 140,064 is: 287,101.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,331 : 140,064 = 140,064 : x
  2. Step 2: Convert to fraction form
    68,331/140,064 = 140,064/x
  3. Step 3: Cross multiply
    68,331x = 140,064 × 140,064
  4. Step 4: Simplify right side
    68,331x = 19,617,924,096
  5. Step 5: Solve for x
    x = 19,617,924,096/68,331
  6. Step 6: Final answer
    x = 287,101.38

Related Problems

Find third proportional to 34,165.50 and 70,032
Half scale
Find third proportional to 136,662 and 280,128
Double scale
Find third proportional to 68,333 and 140,068
Similar ratio
Find third proportional to 102,496.50 and 210,096
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.