Home / 47,989-101,515

Finding the Third Proportional to 47,989 and 101,515

Calculator

Solution

The third proportional to 47,989 and 101,515 is: 214,742.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,989 : 101,515 = 101,515 : x
  2. Step 2: Convert to fraction form
    47,989/101,515 = 101,515/x
  3. Step 3: Cross multiply
    47,989x = 101,515 × 101,515
  4. Step 4: Simplify right side
    47,989x = 10,305,295,225
  5. Step 5: Solve for x
    x = 10,305,295,225/47,989
  6. Step 6: Final answer
    x = 214,742.86

Related Problems

Find third proportional to 23,994.50 and 50,757.50
Half scale
Find third proportional to 95,978 and 203,030
Double scale
Find third proportional to 47,991 and 101,519
Similar ratio
Find third proportional to 71,983.50 and 152,272.50
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.