Home / 78,463-161,057

Finding the Third Proportional to 78,463 and 161,057

Calculator

Solution

The third proportional to 78,463 and 161,057 is: 330,593.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,463 : 161,057 = 161,057 : x
  2. Step 2: Convert to fraction form
    78,463/161,057 = 161,057/x
  3. Step 3: Cross multiply
    78,463x = 161,057 × 161,057
  4. Step 4: Simplify right side
    78,463x = 25,939,357,249
  5. Step 5: Solve for x
    x = 25,939,357,249/78,463
  6. Step 6: Final answer
    x = 330,593.49

Related Problems

Find third proportional to 39,231.50 and 80,528.50
Half scale
Find third proportional to 156,926 and 322,114
Double scale
Find third proportional to 78,465 and 161,061
Similar ratio
Find third proportional to 117,694.50 and 241,585.50
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.