Home / 18,135-42,057

Finding the Third Proportional to 18,135 and 42,057

Calculator

Solution

The third proportional to 18,135 and 42,057 is: 97,534.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,135 : 42,057 = 42,057 : x
  2. Step 2: Convert to fraction form
    18,135/42,057 = 42,057/x
  3. Step 3: Cross multiply
    18,135x = 42,057 × 42,057
  4. Step 4: Simplify right side
    18,135x = 1,768,791,249
  5. Step 5: Solve for x
    x = 1,768,791,249/18,135
  6. Step 6: Final answer
    x = 97,534.67

Related Problems

Find third proportional to 9,067.50 and 21,028.50
Half scale
Find third proportional to 36,270 and 84,114
Double scale
Find third proportional to 18,137 and 42,062
Similar ratio
Find third proportional to 27,202.50 and 63,085.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.