Home / 68,850-145,971

Finding the Third Proportional to 68,850 and 145,971

Calculator

Solution

The third proportional to 68,850 and 145,971 is: 309,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,850 : 145,971 = 145,971 : x
  2. Step 2: Convert to fraction form
    68,850/145,971 = 145,971/x
  3. Step 3: Cross multiply
    68,850x = 145,971 × 145,971
  4. Step 4: Simplify right side
    68,850x = 21,307,532,841
  5. Step 5: Solve for x
    x = 21,307,532,841/68,850
  6. Step 6: Final answer
    x = 309,477.60

Related Problems

Find third proportional to 34,425 and 72,985.50
Half scale
Find third proportional to 137,700 and 291,942
Double scale
Find third proportional to 68,852 and 145,975
Similar ratio
Find third proportional to 103,275 and 218,956.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.